SF30_SPE60122R0305_0001.PDF

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NO.

See Block 14

4. REQUISITION/PURCHASE REQ. NO. 5. PROJECT NO. (If applicable)

6. ISSUED BY CODE SPE601 7. ADMINISTERED BY (If other than Item 6) CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

CODE FACILITY CODE

SPE60122R0305

X

2022 MAR 10

10A. MODIFICATION OF CONTRACT/ORDER NO.

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of OffersX is extended, X is not extended.

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

12. ACCOUNTING AND APPROPRIATION DATA (If required)

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER NO.

IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc. ) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

E. IMPORTANT: Contractor is not, X is required to sign this document and return 1 copies to issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A NAME AND TITLE OF SIGNER (Type or print)

NSN 7540-01-152-8070

Previous edition unusable

STANDARD FORM 30 (REV. 10-83)

Prescribed by GSA FAR (48 CFR) 53.243

16B. UNITED STATES OF AMERICA15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

(a) By completing Items 8 and 15, and returning

DLA ENERGY AEROSPACE ENRGY-DLAE-M

BLDG 1621

1014 BILLY MITCHELL BLVD

SAN ANTONIO TX 78226

15C. DATE SIGNED 16C. DATE SIGNED

D. OTHER (Specify type of modification and authority)

3. EFFECTIVE DATE

See Attached Continuation Sheet(s).

(X)

CHECK ONE

9A. AMENDMENT OF SOLICITATION NO.

9B. DATED (SEE ITEM 11)

13. THIS APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

CONTINUATION SHEET REFERENCE NO. OF DOCUMENT BEING CONTINUED:

CONTINUED ON NEXT PAGE

PAGE 2 OF 3 PAGES

SPE60122R0305 - 0001

The purpose of amendment 0001 is to:

1. Add the following FAR and DFARS Clauses:

a. 52.217-2 Multi-Year Cancellation

b. 52.243-1 Changes- fixed price

c. 52.229-12 Tax on Certain Foreign Procurement

d. 252.204-7020 NIST SP 800-171 DoD Assessment Requirements

e. 252.225-7974 Representation regarding business operations with the Maduro Regime

2. Provide the following Federal and Military Specifications:

a. BB-H-886F, Hydrogen, dated 23 August 2021

b. MIL-PRF-27401G, Propellant Pressurizing Agent, Nitrogen, dated 7 August 2013

c. MIL-PRF-27407D, Propellant Pressurizing Agent, Helium, dated 1 August 2014

3. Provide responses to Industry questions:

a.What is the contract number for this work currently, to be research via FPDS.GOV?

Government Response: This is a new requirement, no previous contract number or history available.

b.Is this requirement a set aside or include FAR Clause 52.219-4 Hub Zone Price Evaluation Adjustment?

Government Response: This requirement is not a set aside, solicitation has been issued Full and Open Competition.

In accordance with FAR 19.1309(b), clause 52.219-4, Notice of Price Evaluation Preference for HUBZone Small Business Concerns, is already incorporated in the solicitation, located on page 13 of the solicitation.

4. The closing date remains unchanged at 11 April 2022, at 2:00 PM Central Daylight Time (CMT).

CONTINUATION SHEET REFERENCE NO. OF DOCUMENT BEING CONTINUED: PAGE 3 OF 3 PAGES

SPE60122R0305 - 0001

Attachments

List of Attachments

Description File Name ATTACH_Federal_Specific ation_Hydrogen BB-H-886F Hydrogen.pdf

ATTACH_MIL_PRF_27401

G_NITROGEN

MIL-PRF-27401G -LN9.pdf

ATTACH_MIL_PRF_27407

D

MIL-PRF-27401G -LN9.pdf

Comments, suggestions, or questions on this document should be addressed to DLA Aviation, VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616 or e-mailed to STDZNMGT@dla.mil.

Since contact information can change, you may want to verify the accuracy of the address information using the ASSIST online database at https://assist.dla.mil.

AMSC N/A FSC 6830

INCH-POUND

BB-H-886F

23 August 2021

SUPERSEDING

BB-H-886E

24 February 2011

FEDERAL SPECIFICATION

HYDROGEN

The General Services Administration has authorized the use of this federal specification by all federal agencies.

1. SCOPE AND CLASSIFICATION

1.1 Scope. This specification covers three grades of gaseous hydrogen for use in cutting and welding, and as a lifting medium for meteorological and other balloons; for fuel, hydrogenation, and water chemistry applications; and for semiconductor, analytical and special applications (see 6.1).

1.2 Classification. The hydrogen shall be of the following grades, as specified (see 6.2).

Grade A - 99.95 percent hydrogen Grade B - 99.99 percent hydrogen Grade C - 99.999 percent hydrogen

2. APPLICABLE DOCUMENTS

2.1 Government publications. The issues of the following documents, in effect on the date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein.

Federal Standard

FED-STD-313 - Material Safety Data, Transportation Data and

Disposal Data for Hazardous Materials Furnished to Government Activities

Commercial Item Description

Source: http://assist.dla.mil -- Downloaded: 2022-03-16T15:31Z Check the source to verify that this is the current version before use.

A-A-59860 - Valves, Cylinder, Gas (for Compressed or Liquefied Gases)

Military Standards

MIL-STD-101 - Color Code for Pipelines and for Compressed Gas

Cylinders MIL-STD-1411 - Inspection and Maintenance of Compressed Gas

(Copies of military specifications and standards are available for download from the ASSIST database at https://quicksearch.dla.mil)

Federal Regulations

29 CFR 1910.1200 - Hazard Communication 49 CFR 171-185 - Hazardous Materials Regulations

(The code of Federal Regulations (CFR) are available for download at https://www.ecfr.gov.

The Federal Register (FR) is available for download at https://www.fedralregister.gov.)

2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless a specific issue is identified, the issue in effect on the date of invitation for bids or request for proposal shall apply.

Compressed Gas Association (CGA)

CGA C-1 - Methods for Pressure Testing Compressed Gas

CGA C-5 - Wall Stress Requalification Criteria for High

Pressure Seamless Steel Cylinders CGA C-6 - Standards for Visual Inspection of Steel

Compressed Gas Cylinders CGA C-11 - Practices for Inspection of Compressed Gas

Cylinders at Time of Manufacture CGA G-5 - Hydrogen CGA G-5.3 - Commodity Specification for Hydrogen CGA P-15 - Standard for the Filling of Industrial and Medical

Nonflammable Compressed Gas Cylinders CGA S-1.1 - Pressure Relief Device Standards Part 1 - Cylinders for Compressed Gases CGA V-9 - Compressed Gas Association Standard for

Compressed Gas Cylinder Valves

(Electronic copies of CGA documents may be obtained from https://www.cganet.com/.)

3. REQUIREMENTS

3.1 Material. The material shall conform to the requirements of type I (gaseous) hydrogen as specified in CGA G-5.3 and shown in table I.

TABLE I. Requirements. 1

Limiting characteristics Grade A ppm (v/v) 2

Grade B ppm (v/v)

Grade C ppm (v/v)

CGA G-5.3 Quality Verification Level QVL B 3 QVL D QVL L Hydrogen, minimum (percent by volume) 99.95 99.99 99.999 Water vapor 34 3.5 3.5 Total hydrocarbon content (as methane) 10 5 1

1 Additional information on the properties and handling of hydrogen may be found in CGA G-5.

2 Quantities are in parts per million by volume (ppm (v/v)) unless otherwise noted.

3 QVL B for type I (gaseous) hydrogen.

3.2 Cylinders and valves. The hydrogen shall be contained in government-furnished cylinders in accordance with 49 CFR 171-185, and equipped with valves in accordance with A-A-59860 (see 6.2). When specified (see 6.2), cylinders shall be furnished by the supplier, which shall be in accordance with 49 CFR 171-185, and shall be equipped with valves in accordance with A-A-59860. When specified (see 6.2), the hydrogen shall be contained in supplier-owned, Department of Transportation-approved cylinders, equipped with valves in accordance with CGA V-9 and pressure relief devices in accordance with CGA S-1.1.

3.2.1 Painting. Government-owned and furnished cylinders shall be color-coded and stenciled in accordance with MIL-STD-101. The paint and the painting process shall be in accordance with MIL-STD-1411.

3.3 Hydrogen cylinder and valve maintenance.

a. Government-owned and furnished hydrogen cylinders shall be inspected, maintained, and when necessary, reconditioned in accordance with MIL-STD-1411 to meet all serviceability requirements of 49 CFR 171-185. Supplier-owned hydrogen cylinders shall be inspected, maintained, and when necessary, reconditioned in accordance with CGA C-1, CGA C-5, CGA C-6, CGA C-11, and CGA S-1.1, to meet all serviceability requirements of 49 CFR 171- 185.

b. Hydrogen valves requiring maintenance shall be repaired as applicable, and be cleaned free of insects, webs, dirt, paint, corrosion, oil, and grease.

3.4 Leakage. Cylinders and valves shall not leak after being filled (see 4.3.6).

3.5 Capacity. Unless otherwise specified (see 6.2), containers of gaseous hydrogen shall be filled to their rated service pressure in accordance with CGA P-15.

3.6 Workmanship. Cylinders shall show no evidence of bulging or distortion.

3.7 Safety data sheet (SDS). Manufacturers shall prepare and submit a SDS in accordance with FED-STD-313 and meeting the requirements of 29 CFR 1910.1200.

4. QUALITY ASSURANCE PROVISIONS

4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests) as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may use their own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the government. The government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure that supplies and services conform to the prescribed requirements.

4.2 Quality conformance inspection.

4.2.1 Tests and examinations. Perform the content and capacity tests, and examinations of table II. Any defects in the content or capacity tests shall be cause for rejection of the lot. A lot for testing the content and capacity shall be defined as the number of containers filled from the same source during an uninterrupted filling sequence and offered for examination at one time.

Any defects found in the examinations of the containers shall be cause for the rejection of only those defective containers.

TABLE II. Tests and examinations of preparation for delivery.

Test/Examinations Defect Inspection level Content Not as specified in 3.1 One sample per lot, as per 4.2.1 Container Not as specified in 3.2 100% Paint Not as specified in 3.2.1 100% Maintenance Not as specified in 3.3 100% Leakage Not as specified in 3.4 100% Capacity Not as specified in 3.5 One sample per lot, as per 4.2.1 Workmanship Not as specified in 3.6 100% Marking on container Not as specified in 5.1 100% Packaging and packing Not as specified in 5.2 100%

4.3 Test methods.

4.3.1 Sampling. Samples for testing the content and capacity in table II shall be from filled containers and shall be one sample unit per lot.

4.3.2 Hydrogen content determination. Hydrogen content shall be determined in accordance with the analytical procedures specified by CGA G-5.3.

4.3.3 Impurities determination. The sample shall be analyzed for the impurities listed as limiting characteristics in CGA G-5.3 using the analytical procedures specified therein. Unless otherwise specified in the contract or purchase order (see 6.2), these impurities shall not exceed the maximum quantity specified for the appropriate QVL.

4.3.4 Documentation. Records of the analysis and the qualifying concentrations used must be kept on file for two years, and available upon the government's request.

4.3.5 Leakage. Each cylinder, after filling, shall be tested for leakage by applying a soap solution to all portions of the valve, the junction of the valve and cylinder, and the safety device on the cylinder. Care shall be taken to ensure that the solution used does not contaminate the valve outlet. Any evidence of gas leakage, as evidenced by bubbling of the soap solution, shall constitute failure of this test. Failure of this test shall be cause for rejection of the cylinder.

5. PACKAGING

5.1 Marking. The cylinders shall be marked in accordance with 49 CFR 171-185, and as specified in the contract or order (see 6.2). The markings shall not be omitted, incorrect, illegible, or of improper size, location, sequence, or method of application.

5.2 Packaging and packing. The hydrogen of a single grade shall be packaged and packed together in accordance with the contract or order (see 6.2).

6. NOTES

INFORMATION FOR GUIDANCE ONLY. (This section contains information of a general or explanatory nature that is helpful, but is not mandatory.)

6.1 Intended use. Grade A hydrogen is intended for use in general industrial applications such as cutting, welding, and as a lifting medium for meteorological and other balloons. Grade B hydrogen, a higher purity grade, is intended for use in fuel, hydrogenation and water chemistry applications. Grade C is of the highest purity and is use in semiconductor, analytical and special applications.

6.2 Acquisition requirements. Acquisition documents should specify the following:

a. Title, number, and date of this specification.

b. Grade required (see 1.2).

c. Type of cylinder and valve (see 3.2).

d. When supplier is to furnish cylinders (see 3.2).

e. When hydrogen is to be contained in supplier-owned cylinders (see 3.2).

f. When cylinders are to be filled to less than their rated service pressure (see 3.5).

g. Any allowable variance from specified impurity levels (see 4.3.3).

h. Packaging requirements (see 5.1 and 5.2).

6.3 Part or identification number (PIN). The following part or identification number numbering procedure is for government purposes and does not constitute a requirement for the contractor.

BBH886 - X XXXXX

Volume of cylinder 1: 100CF = 100 cubic feet 200CF = 200 cubic feet 300CF = 300 cubic feet

Grade: A = Grade A - 99.95 percent hydrogen B = Grade B - 99.99 percent hydrogen C = Grade C - 99.999 percent hydrogen

Federal specification number

1 The volume of the cylinder may be modified for ease of procurement and is not otherwise limited. The volume codes listed above are not all inclusive and are provided only for example.

6.4 Basis of purchase. The basis of purchase should be the cubic foot, based upon normal atmospheric conditions. Hydrogen is commercially available in cylinders of various rated capacities, with capacities of approximately 200 and 300 cubic feet being common. The quantity in cubic feet for each cylinder size is provided in the characteristics data of the applicable stock number. Normally, hydrogen cylinders will be filled to the following standard conditions: 1800, 2000, 2265, or 2400 pounds per square inch gauge (psig) at 70 F (21.1 ºC). In cases where the only cylinder available is rated for a higher pressure than requested, Department of Transportation regulations allow for cylinders to be filled to less than the marked service pressure. Also, cylinders specially qualified under 49 CFR to bear the plus (+) mark, have been approved for special filling limits up to 10 percent above the marked service pressure.

6.5 Subject term (key word) listing.

Balloon, meteorological Cutting Cylinder Gas chromatograph Lifting medium

Valve Welding

6.6 Safety considerations. Hydrogen has a very wide flammability range of 4 to 74 percent in air, and burns with an almost invisible flame. The following applies to gaseous hydrogen:

a. Opening a hydrogen cylinder valve to remove dirt or dust may cause self-ignition.

b. Using hydrogen from a cylinder without using a suitable pressure regulator is hazardous.

c. Hydrogen has a very low ignition energy and can be ignited by static electricity.

d. Hydrogen heats when expanded and may self-ignite.

e. By displacing the oxygen in air, hydrogen can act as an asphyxiant.

f. Hydrogen, being very light, may accumulate in high spots if there is inadequate ventilation.

6.7 Changes from previous issue. The margins of this specification are marked with asterisks (or vertical lines) to indicate where changes (additions, modifications, corrections, deletions) from the previous issue were made. This was done as a convenience only, and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the previous issue.

MILITARY INTERESTS:

CIVIL AGENCY

COORDINATING ACTIVITY:

Custodians: GSA – FAS Navy - SH

Air Force - 68

DLA - GS

Preparing Activity:

DLA - GS3

(Project 6830-2021-004)

NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST database at https://assist.dla.mil/.

MIL-PRF-27401G

07 August 2013

SUPERSEDING

MIL-PRF-27401F

10 January 2008

PERFORMANCE SPECIFICATION

PROPELLANT PRESSURIZING AGENT, NITROGEN

AMSC N/A FSC 9135

DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.

METRIC

Comments, suggestions, or questions on this document should be addressed to AFPA/PTPT, 2430 C Street, Bldg 70, Area B, Wright-Patterson AFB OH 45433-7632 or e-mailed to AFPA.PTPS@wpafb.af.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https://assist.dla.mil.

This specification is approved for use by all Departments and Agencies of the Department of Defense.

1. SCOPE

1.1 Scope. This specification covers the requirements for three grades and two types of nitrogen.

1.2 Classification. The nitrogen will be of the following types and grades as specified (see 6.2).

1.2.1 Types. The types of nitrogen are as follows:

Type I - Gaseous

Type II - Liquid

1.2.2 Grades. The grades of nitrogen are as follows:

Grade A - 99.5 percent pure, aerospace practices

Grade B - 99.99 percent pure, space vehicle and cabin environment

Grade C - 99.995 percent pure, special applications

1.3 Part or identifying number (PIN). The PINs to be used for nitrogen acquired to this specification are created as follows:

M 27401 - X X Example of PIN: M27401-2B

Grade (see 1.2.2).

Type (see 1.2.1). Use 1 for Type I, 2 for Type II.

Specification number.

Prefix for military specification.

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed.

2.2 Government documents.

2.2.1 Specifications, standards, and handbooks. The following specification forms a part of this document to the extent specified herein. Unless otherwise specified, the issue of this document is the one cited in the solicitation or contract (see 6.2).

DEPARTMENT OF DEFENSE STANDARDS

MIL-STD-101 Color Code for Pipelines and for Compressed Gas Cylinders

MIL-STD-1411 Inspection and Maintenance of Compressed Gas Cylinders

COMMERCIAL ITEM DESCRIPTIONS

A-A-58092 Tape, Antiseize, Polytetrafluorethylene

A-A-59860 Valves, Cylinder, Gas (For Compressed or Liquefied Gases)

(Copies of these documents are available online at https://assist.dla.mil or from the Standardization Document Order Desk, 700 Robbins Avenue, Bldg 4D, Philadelphia PA 19111-5094.)

2.3 Non-government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract.

ASTM INTERNATIONAL

ASTM E 29 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications (DoD Adopted)

ASTM F 307 Standard Practice for Sampling Pressurized Gas for Gas Analysis (DoD Adopted)

ASTM F 310 Standard Practice for Sampling Cryogenic Aerospace Fluids (DoD Adopted)

(Copies of these documents are available online at http://www.astm.org or by mail at ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken PA 19428-2959)

COMPRESSED GAS ASSOCIATION (CGA)

CGA G-10.1 Commodity Specification for Nitrogen

CGA P-15 Filling of Industrial and Medical Nonflammable Compressed Gas

(Copies of these documents are available online at http://www.cganet.com or by mail from the Compressed Gas Association, Inc., 14501 George Carter Way, Suite 103, Chantilly, VA 20151)

2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.

3.1 Grade requirements. The nitrogen purity and the impurity concentrations as applicable to each grade of nitrogen shall conform to the limits of Table I when tested in accordance with the applicable test method also specified in Table I. Other limits and tests may be specified by the procuring activity (see 6.2).

3.2 Limiting values. The following applies to all specified limits in this specification: For purposes of determining conformance with these requirements, an observed value or a calculated value shall be rounded off in the last right-hand digit used in expressing the specification limit, using the Rounding Method of ASTM E29.

3.3 Filter.

3.3.1 Containers. A filter with a rating of at least 10-micrometer nominal and 40-micrometer absolute rating shall be installed between the manufacturer's plant system and the manifold used to fill the gas or liquid containers for delivery.

3.3.2 Pipelines. A filter with a rating of at least 3.5-micrometer nominal and 12-micrometer absolute rating shall be installed downstream of compressors and/or converters and as close to the user's interface as possible for delivery into pipelines. The filter shall remove all particles greater than 100 micrometers in any dimension.

TABLE I. Grade limits for nitrogen.

Grade Test Method

A B C

Purity a, b, % by vol, min 99.5 99.99 99.995 4.4.1

Impurities, ppm by volume, max

Water

Total hydrocarbons as methane

Oxygen

Hydrogen

Argon e

Carbon dioxide e

Carbon monoxide e

5000 c

26.3

58.3

-- d

100 c

11.5

5.0

50 c

5.7

5.0

0.5

4.4.2

Particulate f, mg/L, max 1.0 1.0 1.0 4.4.3

Notes.

a. Percent nitrogen includes trace quantities of argon (Grade A), neon, and helium.

b. If direct method is required, use the alternate method found in 6.3.

c. Sum, in parts per million (ppm), of water, hydrocarbons, oxygen, and if applicable, argon, hydrogen, carbon monoxide, and carbon dioxide.

d. No limit for this grade.

e. If required by contract (see 6.2).

f. Applies only to Type II (Liquid) nitrogen. The particulate limit may be removed by the procuring activity (see 6.2).

3.4 Filled containers (Type I only).

3.4.1 Pressure. The container filling pressure (see 6.2) shall not differ from that required by the contract by more than 1.0% at 21 C (70 F) when tested as specified in 4.5.1. In no case shall the filling pressure exceed the rated service pressure of the container.

3.4.2 Leakage. Containers shall not leak when tested according to 4.5.2.

3.4.3 Inspection and maintenance. Compressed gas cylinders shall be inspected, maintained, and charged according to 4.5.3.

4. VERIFICATION

4.1 Points of inspection (see 6.2).

4.1.1 Containers. Unless otherwise specified, acceptance tests shall be conducted at the site of filling prior to shipment or departure.

4.1.2 Pipeline. When Type I nitrogen is delivered in pipeline, acceptance tests shall be conducted immediately prior to entering the user's system.

4.2 Conformance inspection. Quality conformance tests shall consist of the following:

a. Individual tests (Type I only)................................ 4.2.1

b. Sampling tests .................................................... 4.2.2

4.2.1 Individual tests (Type I only). Each container shall be subjected to the following tests as described under 4.5:

a. Filling pressure .................................................... 4.5.1

b. Leakage .............................................................. 4.5.2

4.2.2 Sampling test. The number of nitrogen containers shall be selected in accordance with Table II and subjected to the tests required by Table I.

TABLE II. Sampling for test.

Number of containers in lot Number of containers to be sampled

1 1

2 – 40 2

41 – 70 3

71 – over 4

4.2.3 Lot definitions.

4.2.3.1 Type I. A lot is defined as all of the nitrogen supplied in one or more container(s) filled from a single manifold at the same time.

4.2.3.2 Type II. Each filled container shall constitute a lot.

4.2.3.3 Container Assemblies. A shipping conveyance consisting of multiple cylinders or tubes that are interconnected by a single manifold that equalizes the pressure across all cylinders/tubes to form a single unit is considered a single container for the purpose of this specification.

4.2.4 Sample. Each sample shall be of sufficient size to conduct all the quality conformance tests as specified herein. Unless otherwise specified, the quality conformance tests shall be performed on each required sample (see 6.2). When required, an equivalent sample shall be forwarded to a laboratory designated by the procuring activity for testing.

4.2.4.1 Sampling methods. Each sample taken for analysis shall be representative of the entire contents of the container being sampled. All equipment used shall be made of suitable materials. Unless otherwise specified in the acquisition requirements (see 6.2), sampling shall be accomplished by one of the following methods.

a. Type I, gaseous nitrogen may be sampled in accordance with ASTM F 307 and Type II, liquid nitrogen may be sampled in accordance with ASTM F 310. It is critical that the outlet of the sampling port be clean and free of contaminants.

b. Connect the shipping container being sampled directly to the analytical equipment using suitable pressure regulation as required to prevent over-pressurization of the equipment.

4.2.5 Non-Bulk Containers. Non-bulk containers are defined as containers of 400 liters or less water capacity. The number of containers filled with Type I (gaseous) nitrogen selected for sampling from each lot shall be in accordance with Table II. The first and last containers to be filled within a given lot are typically sampled. Other samples may be selected at random. Every container filled with Type II (liquid) nitrogen shall constitute a lot and will be sampled.

4.2.6 Bulk transports. Bulk containers are defined as containers of more than 400 liters water capacity. Each bulk container filled with Type I (gaseous) or Type II (liquid) nitrogen constitute a lot and shall be sampled.

4.2.6.1 Continuous service. Unless otherwise specified by the procuring activity, the following sample option for nitrogen shall be used for storage and transport tanks engaged in continuous nitrogen service (see 6.2). Contractor shall sample the contents of each transport tank engaged in continuous nitrogen service at least once every seven days at uniform intervals of time. Samples shall be taken from the filled transport tanks. Contractor shall sample the contents of each transport tank when entering continuous service and when the transport tank has remained empty for a period greater than 24 hours.

When empty, all ports and vents shall remain closed to the atmosphere. While in continuous service, compliance with quality conformance tests specified herein shall be determined by sampling the filling point storage tank after each addition or, in case of continuous production, at established intervals not less frequent than once every 24 hours. When a storage tank is being filled during a change of duty shift, sampling shall be performed after filling. (see 6.5.1)

4.2.7 Pipelines. Unless otherwise specified in the contract, the following sampling plan shall be used for pipelines: Sampling to determine specification compliance shall be accomplished by drawing liquid phase samples from each filled container transporting liquid for conversion to gas and by drawing samples from the gas supplied into the user's system (see 6.2).

4.2.7.1 Liquid phase samples. Liquid phase samples shall be tested for each parameter in applicable grade of Type II nitrogen. Sampling under the "continuous service" provisions can be applied.

4.2.7.2 Gas phase samples.

a. Samples shall be tested for each parameter in the applicable grade of Type I nitrogen.

Samples shall be drawn in accordance with 4.2.4 from a point immediately prior to entering the user's system. The frequency of sampling shall not be less than once every seven days at regular intervals.

b. When specified in contract, in-line samples shall be drawn and tested with continuous monitors for each parameter specified in contract for the applicable grade of Type I nitrogen. Each analyzer shall be equipped with a permanent recording device. When specified in contract, an alarm system to indicate contaminant contents in excess of specified maximum shall be provided (see 6.2).

c. After internal exposure of the pipeline to the atmosphere or other foreign materials, a sample of gas shall be taken from the pipeline prior to delivery into the user's system at a point between the final filter and the interface with the Government system. The sample shall be tested for each parameter in applicable grade of Type I nitrogen. After cleaning operation, the sample shall also be tested for contamination by vapors from the cleaning materials.

4.3 Rejection. When any sample tested in accordance with 4.4 fails to conform to the requirements specified herein, the entire lot represented by the sample shall be rejected.

4.4 Analytical procedures. Unless otherwise specified, samples shall be analyzed according to the procedures described in 4.4.2 (see 6.2). Calibration gas standards may be required to calibrate (zero and span) analytical instruments used to determine the purity and impurity contents of the nitrogen. The accuracy of the calibration gas standards is to be traceable to the National Institute of Standards and Technology.

4.4.1 Nitrogen content. The nitrogen content in percent shall be found by determining the aggregate impurities by the methods described in 4.4.2. The nitrogen purity is the value obtained when the aggregate impurities, expressed as volume percent, is subtracted from 100 percent.

4.4.2 Impurities. Methods shall be selected from those of CGA G-10.1.

4.4.3 Particulate content. A filter holder assembly, (Pall Life Sciences part number 2220), or equivalent modified as shown on Figure 1 shall be attached to the withdrawal line of the vessel to be utilized to fill the tanks. A preweighed filter paper (47 mm glass fiber paper, type A/E or equivalent) shall be placed on top of another filter of the same kind. The filters shall then be placed on the porous filter support, which, in turn, shall be placed in the filter holder as shown on Figure 1. The male threads of the filter holder shall be wrapped with thin, nonadhesive-backed polytetrafluorethylene tape A-A-58092 or equivalent to prevent galling of the threads. The holder shall be tightened by hand as tight as possible to prevent bypassing of the filter element. The discharge liquid from the filter housing shall be collected in a clean, uninsulated, ambient temperature vessel marked to indicate when 5 liters of liquid have been collected. The liquid flow shall be terminated when 5 liters of liquid have been collected. The filter holder shall be removed from the line and permitted to reach ambient temperature. The warmup to ambient temperature may be expedited by use of an oven or other heat source. Care shall be exercised to ensure that any airflow which enters the unit will be directed through the inlet of the assembly to prevent displacing any particles from the surface of the filter. Upon warmup, the other side of the holder shall be wiped with a clean cloth and the holder then disassembled. The filter paper shall be closely inspected.

The test shall be repeated if evidence of either (a) the filter not being securely clamped by uniform depression of its edge; (b) the filter having been cut by the holder; or (c) when dirt particles are detected in the clamped area indicating bypassing had been encountered. The test shall also be repeated when either the bottom filter shows any discoloration or when leakage of liquid from the filter holder is detected.

Upon completion of a valid test the filter shall be removed from the housing and weighed to the nearest

0.1 mg.

4.5 Containers of Type I nitrogen.

4.5.1 Filling pressure. Containers shall be stabilized to 21 C (70 F). Containers shall be tested for proper filling pressure by attaching a calibrated Bourdon-tube gauge or calibrated electronic equivalent gauge to the valve outlet. The gauge shall have scale divisions not greater than 100 kPa (15 psi). Then the valve shall be opened and the internal pressure observed on the gauge. If the internal pressure differs from the applicable filling pressure value by more than 100 kPa (15 psi), the container, and all other containers filled from the same manifold at the same time, shall be rejected.

4.5.2 Leakage. Each Type I nitrogen container shall be tested for leaks at the neck threads, stem packing, and safety device of the valve with leak detection fluid. Valve seat leakage shall be tested after filling has been completed by connecting a hose to the valve outlet and placing the other end of the hose under the surface of a liquid. Methods of leak detection and/or the leak check guidance in CGA P- 15 may also be used.

4.5.3 Inspection and Maintenance. Compressed gas cylinders shall be inspected, maintained, and charged according to MIL-STD-1411.

4.5.3.1 Valves. Valves shall conform to A-A-59860.

4.5.3.2 Color Coding. Government-owned cylinders shall be color coded according to MIL-STD- 101.

FIGURE 1. Filter, Cryogenic Liquids

5. PACKAGING

5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements are maintained by the Inventory Control Point’s packaging activities within the Military Service or Defense Agency, or within the military service’s system commands. Packaging data retrieval is available from the managing Military Department’s or Defense Agency’s automated packaging files, CD-ROM products, or by contacting the responsible packaging activity.

6. NOTES

(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)

6.1 Intended use. The nitrogen covered by this specification is intended as a purging and pressurizing medium for rocket propellant systems, space vehicles and support equipment and for preparing oxygen-nitrogen mixtures for breathing purposes on board space vehicles (see 1.2.2).

6.2 Acquisition requirements. Acquisition documents should specify the following:

a. Title, number, and date of this specification.

b. Type and grade of nitrogen required (see 1.2).

c. If required, the specific issue of individual documents referenced (see 2.2.1).

d. When other limits or tests are required (see 3.1).

e. When testing for argon, carbon dioxide, or carbon monoxide is required (see Table I, Note e).

f. When the particulate test is not required (see Table I, Note f).

g. When a variation in the points of inspection is required (see 4.1).

h. When a variation of the quality conformance tests to be performed on a sample is required (see 4.2.4).

i. When a variation to the sampling method is required (see 4.2.4.1).

j. When a variation to the continuous service option is required (see 4.2.6.1).

k. When a variation to the sampling plan for pipelines is required (see 4.2.7).

l. When an alarm system to warn of contaminants in pipelines is required (see 4.2.7.2.b).

m. When a variation of the analytical procedures is required (see 4.4).

n. Cylinder size, capacity, and fill pressure (as determined by cylinder size and capacity).

o. Packaging requirements (see 5.1).

p. When color coding of pipeline is required (see 4.5.3.2).

6.3 Direct nitrogen method. When required, one of the following methods should be used to determine the nitrogen content directly. (1) A gas chromatography method which uses a 5Å molecular sieve column and measures the peak height versus retention time. (2) The mass spectrometric method which measures nitrogen at an atomic mass unit (amu) of 28. Carbon monoxide also has an amu of 28 but it can be determined by other methods, and corrected for in the nitrogen value.

6.4 Packaging requirements. Guidance for cylinders may be found in the following documents:

a. RR-C-901 Cylinders, Compressed Gas: Seamless Shatterproof, High Pressure DOT 3AA Steel, and 3AL Aluminum

b. 49 CFR 171 – 199 Code of Federal Regulations

6.5 Definition.

6.5.1 Continuous service. Continuous service applies to continuous deliveries under Government contract of nitrogen complying with the quality conformance tests specified herein.

6.6 Subject term (key word) listing.

Aerospace Cryogenic Cylinders Pipeline Space vehicle

6.7 Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes.

CONCLUDING MATERIAL

Custodians: Preparing activity:

Army – MI Air Force – 68 Navy – AS (Project 9135-2013-003) Air Force – 68

DLA – PS

Review activities:

Air Force – 19 Air Force – 11

Civil Agency:

NASA – NA

Note: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information using the ASSIST Online database at https://assist.dla.mil.

MIL-PRF-27407D

1 August 2014

SUPERSEDING

MIL-PRF-27407C

29 November 2006

PERFORMANCE SPECIFICATION

PROPELLANT PRESSURIZING AGENT, HELIUM

AMSC N/A FSC 9135

DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.

METRIC

Comments, suggestions, or questions on this document should be addressed to AFPA/PTPS, 2430 C Street, Bldg 70, Area B, Wright-Patterson AFB OH 45433-7632 or e-mailed to AFPA.PTPS@wpafb.af.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https://assist.dla.mil.

Source: http://assist.dla.mil -- Downloaded: 2022-03-16T15:25Z mailto:AFPA.PTPS@wpafb.af.mil https://assist.dla.mil/

This specification is approved for use by all Departments and Agencies of the Department of Defense.

1. SCOPE

1.1 Scope. This specification covers the requirements for two grades and two types of helium.

1.2 Classification. The helium will be of the following types and grades as specified (see 6.2).

1.2.1 Types. The types of helium are as follows:

Type I - Gaseous

Type II - Liquid

1.2.2 Grades (Type I only). The grades of helium are as follows:

Grade A - Pressurizing

Grade B - Respirable

1.3 Part or identifying number (PIN). The PINs to be used for helium acquired to this specification are created as follows:

M 27407 - X X Example of PIN: M27407-1B

Grade (see 1.2.2).

Type (see 1.2.1). Use 1 for Type I, 2 for Type II.

Specification number.

Prefix for military specification.

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3 and 4 of this specification, whether or not they are listed.

2.2 Government documents.

2.2.1 Specifications, standards, and handbooks. The following specifications, standards and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract.

DEPARTMENT OF DEFENSE STANDARDS

MIL-STD-101 Color Code for Pipelines and for Compressed Gas Cylinders

MIL-STD-1411 Inspection and Maintenance of Compressed Gas Cylinders

COMMERCIAL ITEM DESCRIPTIONS

A-A-59860 Valves, Cylinder, Gas (For Compressed or Liquefied Gases)

(Copies of these documents are available online at http://quicksearch.dla.mil.)

2.3 Non-government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract.

ASTM INTERNATIONAL

ASTM E29 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications (DoD Adopted)

ASTM F307 Standard Practice for Sampling Pressurized Gas for Gas Analysis (DoD

ASTM F310 Standard Practice for Sampling Cryogenic Aerospace Fluids (DoD

(Copies of these documents are available online at http://www.astm.org.)

COMPRESSED GAS ASSOCIATION (CGA)

CGA G-9.1 Commodity Specification for Helium

CGA P-15 Filling of Industrial and Medical Nonflammable Compressed Gas

(Copies of these documents are available online at http://www.cganet.com.)

2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein (except for related specification sheets), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.

3.1 Grade requirements.

3.1.1 Type I. The purity and impurity concentrations as applicable to each grade of helium shall conform to the limits of Table I when tested in accordance with the applicable test method also specified in Table I. Limits and tests may be added or deleted by the procuring activity (see 6.2).

3.1.2 Type II. The liquid shall pass the helium assurance test of 4.5. When using the vent gas analysis (see 4.5), the vent gas analysis shall conform to the limits of Table I. Limits and tests may be added or deleted by the procuring activity (see 6.2).

3.2 Limiting values. The following applies to all specified limits in this specification: For purposes of determining conformance with these requirements, an observed value or a calculated value shall be rounded off in the last right-hand digit used in expressing the specification limit, using the Rounding Method of ASTM E29.

3.3 Filter. Unless otherwise specified (see 6.2), Types I and II need not be filtered.

3.4 Filled containers (Type I only).

3.4.1 Filling Pressure. The container filling pressure (see 6.2) shall not differ from that required by the contract by more than 1.0% at 21°C (70°F) when tested as specified in 4.6.1. In no case shall the http://quicksearch.dla.mil/ http://www.astm.org/ http://www.cganet.com/ filling pressure exceed the rated service pressure of the container. Pressure-Temperature Filling Charts in CGA P-15 may be used.

3.4.2 Leakage. Cylinders shall not leak when tested according to 4.6.2.

3.4.3 Inspection and maintenance. Compressed gas cylinders shall be inspected, maintained and charged according to 4.6.3.

4. VERIFICATION

4.1 Points of inspection (see 6.2). Unless otherwise specified, acceptance tests shall be conducted at the site of filling prior to shipment or departure.

4.2 Conformance inspection. Quality conformance tests shall consist of the following:

a. Individual tests (Type I only) ................................ 4.2.1

b. Sampling tests .................................................... 4.2.2

4.2.1 Individual tests (Type I only). Each container shall be subjected to the following tests as described under 4.6

a. Filling pressure .................................................... 4.6.1

b. Leakage .............................................................. 4.6.2

TABLE I. Grade limits for helium (Type I, gaseous only) 1

Grade Test Method

A B

Purity, % by vol, min 99.995 99.997 4.4.1

Impurities, ppm by vol, max

Water

Hydrocarbons (as methane)

Oxygen

Nitrogen + argon

Neon

Hydrogen

Carbon dioxide

Carbon monoxide

--2

Notes:

1. For Type II requirements see 4.5. When using vent gas analysis, the analysis shall conform to Grade A or B requirements, as specified in the contract.

2. No limit for this grade; minimum purity shall be met.

TABLE II. Sampling for test.

Number of containers in lot Number of containers to be sampled

1 1

2 – 40 2

41 – 70 3

71 – over 4

4.2.2 Sampling tests. Type I helium shall be selected according to 4.2.2.1 and tested for the requirements of Table I as specified in 4.4. Type II helium shall be selected according to 4.2.2.2 and tested for the requirements of 3.1.2 as specified in 4.5.

4.2.2.1 Sampling plan (Type I). The number of helium containers sampled from each lot, as defined in 4.2.3, shall be selected in accordance with Table II.

4.2.2.2 Sampling plan (Type II). One sample shall be taken from each lot, as defined in 4.2.3.

4.2.3 Lot. A lot shall consist of one of the following:

a. Type I. For gas cylinders, a lot is defined as all of the helium supplied in one or more container(s) filled from a single manifold at the same time. This includes gas containers that are interconnected by a single manifold that equalizes the pressure across all the containers. The first and last cylinders filled within a given lot are typically sampled. Other samples may be selected at random as required (see 6.2).

b. Type II. Each filled container shall constitute a lot.

4.2.4 Sample. Each sample shall be of sufficient size to conduct all the quality conformance tests as specified herein. Unless otherwise specified, the quality conformance tests shall be performed on each required sample (see 6.2). When required, an equivalent sample shall be forwarded to a laboratory designated by the procuring activity for testing. Each sample taken for analysis shall be representative of the entire contents of the container being sampled.

4.2.5 Sampling Methods. Unless otherwise specified in the acquisition requirements, sampling shall be accomplished by one of the following methods.

a. Type I, gaseous helium may be sampled in accordance with ASTM F307 and Type II, liquid helium may be sampled in accordance with ASTM F310. It is critical that the sampling port be clean and free of contaminants.

b. Connect the shipping container being sampled directly to the analytical equipment using suitable pressure regulation as required to prevent over-pressurization of the equipment.

4.3 Rejection. When any sample tested in accordance with 4.4 or 4.5 fails to conform to the requirements specified herein, the entire lot represented by the sample shall be rejected.

4.4 Analytical procedures (Type I). Unless otherwise specified, samples shall be analyzed according to the procedures described below. Calibration gas standards may be required to calibrate (zero and span) analytical instruments used to determine the purity and impurity contents of the helium.

The accuracy of the calibration gas standards is to be traceable to the National Institute of Standards and Technology (NIST).

4.4.1 Purity. The helium percent shall be found by determining the aggregate impurities by the methods of CGA G-9.1. The aggregate impurities shall include all of the impurities listed in Table I, regardless of the Grade analyzed. The percent helium is the value obtained when this amount, expressed as volume percent, is subtracted from 100 percent.

4.4.2 Impurities. The analytical procedures described in CGA G-9.1 shall be used to determine the concentration of each impurity listed in Table I.

4.5 Helium assurance test (Type II). Liquid helium is generally assumed to be extremely pure because contaminants have been removed during the early stages of the liquefaction process which occurs at -269°C. It follows that assuring that the fluid is helium is sufficient to verify a contaminant free product.