Attachment_0001_PRF_13034119_Rev_A_19FEB16.pdf

PRF13034119A

CAGE Code 19200 w/AMENDMENT 1

19 February 2016

PRF13034119

CAGE Code 19200

9 September 2013

PERFORMANCE SPECIFICATION

ITEM SPECIFICATION

FOR THE

OIL TRANSFER SYSTEM

FOR

TOWED HOWITZERS - M777 155MM AND M198 155MM

Program Manager Towed Artillery Systems

Picatinny Arsenal, NJ 07806-5000

Prepared by:

U.S. Army Armament Research, Development, and Engineering Center

Weapons & Software Engineering Center -

Weapon Systems & Technology Directorate -

Indirect Fire Systems PSI (Production Sustainment and Integration) Division

Picatinny Arsenal, NJ 07806-5000

FSC: 4320

DISTRIBUTION STATEMENT D. Distribution authorized to the Department of Defense and

U.S. DoD contractors only to protect technical or operational data as determined on 10 May

2013. Other requests for this document shall be referred to the Office of the Project Manager for

Towed Artillery Systems, ATTN: SFAE-AMO-TAS, Picatinny Arsenal, NJ 07806-5000.

WARNING - This document contains technical data whose export is restricted by the Arms

Export Control Act (Title 22, U.S.C., Sec 2751, et. seq.) or the Export Administrative Act of

1979, as amended, Title 50, U.S.C., App. 2401 et. seq. Violations of these export laws are

PRF 13034119

subject to severe criminal penalties. Disseminate in accordance with provisions of DoD

Directive 5230.25.

This cover page must not be deleted from the solicitation copy.

1. SCOPE

1.1 Scope. This specification prescribes the performance requirements and identifies the Oil

Transfer System to be used to:

a. Fill and drain the Howitzer, Medium, Towed: 155mm, M777 hydraulic scavenge system

b. Fill the Howitzer, Medium, Towed: 155mm, M777 hydraulic suspension system

c. Fill and drain the Howitzer, Medium, Towed: 155mm, M777 and Howitzer, Medium, Towed: 155mm, M198 hydraulic recoil systems

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3 or 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 SPECIFICATIONS

MIL-PRF-6083 Hydraulic Fluid, Petroleum Base, for Preservation and Operation

FEDERAL STANDARDS

FED-STD-595 Colors Used in Government Procurement

DEPARTMENT OF DEFENSE STANDARDS

MIL-STD-130 Identification Marking of U.S. Military Property

MIL-STD-1916 Department of Defense Test Method Standard

DoD Preferred Methods for Acceptance of Product

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

Standardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA

19111-5094)

2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications 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.

U.S. ARMY ARMAMENT RESEARCH, DEVELOPMENT, AND ENGINEERING

CENTER (ARDEC) DRAWINGS

6103913 Tool, Liquid Releasing

8410593 Cap

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.

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)

ISO 7241-1 Hydraulic fluid power - Quick-action couplings - Part 1: Dimensions and requirements

(Copies of ANSI and ISO standards may be ordered online from http://www.ansi.org/, or from the American National Standards Institute, 11 W 42nd Street, 13th Floor, New York, NY

10036.)

SAE STANDARDS

SAE J514 Hydraulic Tube Fittings

(Copies of SAE standards may be ordered online from http://standards.sae.org) http://quicksearch.dla.mil/ mailto:usarmy.picatinny.ardec.list.drawing-request-help-desk@mail.mil mailto:usarmy.picatinny.ardec.list.drawing-request-help-desk@mail.mil http://www.ansi.org/ http://standards.sae.org/

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, 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. REQUIREMENTS

3.1 Design verification. When specified (see 6.2), a sample of two (2) Oil Transfer Systems shall be subjected to design verification in accordance with Table I and 4.1.

3.2 First article inspection. When specified (see 6.2), a sample of two (2) Oil Transfer

Systems shall be subjected to first article inspection in accordance with Table I and 4.2.

3.3 Conformance inspection. The Oil Transfer System shall be subjected to conformance inspection in accordance with Table I and 4.3.

3.4 Interface and interoperability requirements.

3.4.1 Interoperability. The Oil Transfer System shall be compatible with the hydraulic systems identified in 1.1.

3.4.2 Interface. The Oil Transfer System shall be capable of connecting to a hydraulic quick disconnect coupling, ISO 7241-1 Series B, ¼ inch NPTF (female), 316 stainless steel, Hansen ML2-H16 or equivalent.

3.4.3 Couplings. All hoses that connect to the Oil Transfers System shall have quick disconnect couplings.

3.4.3.1 Material. The material of all the quick disconnect couplings included with the Oil Transfers System shall be stainless steel 316.

3.4.4 Fluid compatibility. The Oil Transfer System shall be compatible with MIL-

PRF-6083 hydraulic fluids.

3.4.5 Lines and adaptors. The lines and adaptors shall perform to the specification herein without leakage.

3.4.5.1 Transfer hose. The Oil Transfer System shall have a 15-20 foot transfer hose with each end capable of mating to a Parker H2-63, a ML2-K16 plug or equivalent.

3.4.5.2 Suction adaptor. The Oil Transfer System shall have a suction adaptor assembly capable of mating to the transfer hose on one end and a suction strainer on the other end.

3.4.5.2.1 Suction adaptor diameter. The maximum outside diameter of the suction adaptor shall be 1.5 inches +/-.125.

3.4.5.3 Waste adaptor. The Oil Transfer System shall have a 2-3 foot waste hose adaptor assembly.

3.4.5.3.1 Transfer hose compatibility. The waste hose adapter assembly shall be capable of mating with the transfer hose on one end.

3.4.5.3.2 Manual shut-off valve. The waste hose adapter assembly shall include a manual shut-off valve which is located at the transfer hose connector end.

3.4.5.3.3 End weight. The waste hose adapter assembly shall include an end weight of 200 +/- 10 grams that is rotatable and located on the end opposite to the transfer hose connection.

3.4.5.3.3.1 Howitzer, medium, towed: 155mm, M198 adaptor compatibility.

The end weight (see 3.4.5.3.3) shall be capable of accepting the .625-18 UNF-2A thread on the

Liquid Releasing Tool (HOWITZER, MEDIUM, TOWED: 155mm, M198 Adaptor) in accordance with drawing 6103913.

3.4.5.4 Howitzer, medium, towed: 155mm, M198 adaptor. The Oil Transfer

System shall have a Liquid Releasing Tool (HOWITZER, MEDIUM, TOWED: 155mm, M198

Adaptor) in accordance with drawing 6103913 capable of mating to the end weight on the waste hose adaptor assembly.

3.4.5.5 Howitzer, medium, towed: 155mm, M198 adaptor cap. The Oil Transfer

System shall have a Howitzer Medium, Towed 155mm, M198 hose adaptor cap in accordance with drawing 8410593.

3.4.5.6 Howitzer, medium, towed: 155mm, M777 suspension adaptor. The Oil

Transfer System shall have a suspension adaptor assembly consisting of a 20-24 inch hose capable of mating to the transfer hose on one end and a .25 inch barb fitting on the other end.

3.4.6 Seal materials. Seal materials to be compatible with MIL-PRF-6083 hydraulic fluid.

3.4.7 System protection. System design shall provide features that provide protection to the hydraulic components, power supply, meter and filter during rugged field usage.

3.4.8 Weight. The weight of the oil transfer unit (empty) shall not exceed 145 pounds.

3.4.9 Construction. The Oil Transfer System construction shall consist of an oil transfer unit and a separate four wheeled cart.

3.4.9.1 Cart wheels lockable. The wheeled cart shall have at least two lockable wheels.

3.4.10 Size. The maximum envelope dimensions for the oil transfer unit mounted on the wheeled cart shall not exceed 20 inches (wide) x 23.5 inches (deep) x 22.5 inches (height).

3.4.11 Interchangeability. All parts, subassemblies, assemblies of the Oil Transfer

Systems having the same manufacturer’s part number shall be directly and completely interchangeable with each other with respect to installation and performance.

3.5 Operating requirements.

3.5.1 Operation. The Oil Transfer System shall be able to utilize the same line to remove (accept) oil that it uses to charge the pressurized systems.

3.5.2 Pressure rating. The Oil Transfer System shall be able to generate 2500 PSI of oil pressure without the evidence of leaks during manual and motorized operation.

3.5.3 Draw. The Oil Transfer System’s motorized pump shall be able to draw oil from a container into the Reservoir (see 3.5.10).

3.5.4 Flow rate, powered (110-130V 60Hz). The Oil Transfer System shall not have less than a .50 GPM and not more than .65 GPM flow rate at the operation pressures of 0 –

2000 psi while connected to a 110-130V 60Hz power source.

3.5.5 Flow rate, powered (220-240V 50Hz). The Oil Transfer System shall not have less than a .39 GPM and not more than .65 GPM flow rate at the operation pressures of 0 –

2000 psi while connected to a 220-240V 50Hz power source.

3.5.6 Flow rate, manual. The Oil Transfer System shall have a manual backup which can transfer a minimum of .69 cubic inches of oil per cycle and a maximum of .76 cubic inches per cycle.

3.5.7 Hydraulic pressure gauge. The Oil Transfer System shall have a hydraulic pressure gauge appropriate of measuring working pressures up to 2500 PSI.

3.5.8 Filter. The Oil Transfer System shall have a 3 to 5 micron cartridge filter for transferring fluids to and from pressurized systems.

3.5.9 Filter change indicator gauge. The Oil Transfer System shall have an indicator gauge for alerting the operator when the 3 to 5 micron filter needs to be changed. The indicator gauge shall alert the operator when the pressure drop across the filter exceeds 35 psig.

The indicator gauge shall remain in the alert mode until reset, even if the high differential pressure condition disappears.

3.5.9.1 Filter change indicator gauge reset. The filter change indicator gauge shall have a reset capability.

3.5.10 Reservoir. The Oil Transfer System shall have a reservoir that is a minimum of 8 gallons and a maximum of 13 gallons.

3.5.10.1 Reservoir sight glass. The Oil Transfer System shall have sight glass suitable for determining the volume of oil in the reservoir.

3.5.11 Fill port. The Oil Transfer System fill port shall be accessible and capable of being replenished by an open 6.625 inch diameter by 7.69 inch height minimum cylindrical container without spillage.

3.5.12 Self-purging. The Oil Transfer System will be self purging to eliminate pumping air into a closed system.

3.5.13 Power.

3.5.13.1 Power supply cord. The Oil Transfer System shall have a 25 foot minimum length power supply cord.

3.5.13.2 15-Amp service outlet compatibility. The Oil Transfer System electrical plug shall be a NEMA 5-15P type and compatible with a 15-Amp service.

3.5.13.3 220-240V 50Hz and 110-130V 60Hz compatibility. The Oil Transfer

System shall be compatible with 220-240V 50Hz and 110-130V 60Hz power sources with no modification(s) required.

3.5.13.4 Power protection. The Oil Transfer System shall be inactive or shall not be damaged when connected to a 110-130V 60Hz power source but set for a 220-240V 50Hz power source or vice versa.

3.5.14 Meter. The Oil Transfer System shall have a digital totalizing meter capable of measuring in quarts.

3.5.14.1 Meter reset. The Meter shall have a reset capability.

3.5.15 Handling

3.5.15.1 Mobile convenience. The Oil Transfer System shall be capable of being wheeled and maneuverable on a flat surface by a single operator.

3.5.15.2 Handles. The oil transfer unit shall have handles to support a two-person lift.

3.6 Support and ownership requirements.

3.6.1 Reliability.

3.6.1.1 Motorized pump. The Oil Transfer System's motorized pump shall have a minimum reliability of 1000 hours Mean Time Between Failure.

3.6.1.2 Manual pump. The Oil Transfer System's manual pump shall have a minimum reliability of 200 hours Mean Time Between Failure.

3.6.1.3 Operation life. The Oil Transfer System shall have a minimum operational life of 10,000 hours of usage after delivery, under any combination of the operation environments specified herein, with servicing as identified by supplier.

3.6.2 Maintainability.

3.6.2.1 Mean time to repair (MTTR). The Oil Transfer System shall have a

MTTR that does not exceed one half hours at the field level.

3.6.2.2 Maintenance personnel required. The Oil Transfer System shall not require more than two field level maintainers to maintain.

3.6.2.3 Special tools & test equipment (STTE). The Oil Transfer System shall not require Special Tools and Test Equipment to troubleshoot or repair.

3.6.3 Markings.

3.6.3.1 Product marking. The Oil Transfer System shall have a permanently attached legible identification plate in accordance with MIL-STD-130. The identification plate shall have as a minimum the following information:

1. Component nomenclature (Title)

2. Purchaser part number

3. Purchaser commercial and government entity, (CAGE), code

4. Manufacturer part number

5. Manufacturer CAGE code

6. Serial number

7. National Stock Number - If the national stock number is not available, the letters

NSN shall be indicated and space provided for future application of the stock number.

8. Two-dimensional matrix barcode, Data Matrix that contains purchaser CAGE code, part number, and the item serial number.

3.6.3.2 Other markings. Other markings on the Oil Transfer System required for operational guidance shall be permanently attached and legible.

3.6.3.2.1 Operational fluid. “USE MIL-PRF-6083, OHT ONLY” shall be prominently displayed in the vicinity of the fill port.

3.6.4 Workmanship. The workmanship in the fabrication and assembly, shall comply with best commercial practices. The parts shall be clean and free of burrs, sharp edges, unblended radii, surface defects, cracks, chips, dirt, grease, oil (except where specifically required), rust, foreign matter or any evidence of poor workmanship that could render the system unsuitable for its intended purpose that would affect life, serviceability, and appearance.

3.6.5 Corrosion resistance maintenance. The Oil Transfer System shall not require more than 3.0 minutes of preventive maintenance per week to keep the Oil Transfer System corrosion free.

3.6.6 Color. The primary colors of the Oil Transfer System shall be limited to black and dark green.

3.6.7 Environmental requirement.

3.6.7.1 Temperature. The Oil Transfer System shall operate at ambient temperatures from minus 20 F to plus 110 F.

4. VERIFICATION

TABLE I. Requirement/Verification Cross Reference Matrix.

METHOD OF VERIFICATION CLASSES OF VERIFICATION

1 – Analysis A - Design verification

2 - Demonstration B - First article

3 - Examination C – Conformance

4 – Test

Section 3 Requirement Section 4

Method

Verification

Methods

Verification

Class

1 2 3 4 A B C

3.1 Design

verification

4.1 X

3.2 First article

inspection

4.2 X

3.3 Conformance

inspection

4.3 X

3.4 Interface and

interoperability requirements

4.4

3.4.1 Interoperability 4.4.1 X X X X

3.4.2 Interface 4.4.2 X X X X

3.4.3 Connectors 4.4.3 X X X X*

3.4.3.1 Material 4.4.3.1 X X X

3.4.4 Fluid

compatibility

4.4.4 X X X X

3.4.5 Lines and

adaptors

4.4.5 X X X X*

3.4.5.1 Transfer hose 4.4.5.1 X X X X*

3.4.5.2 Suction

adaptor

4.4.5.2 X X X X*

3.4.5.2.1 Suction

adaptor diameter

4.4.5.3 X X X X*

3.4.5.3 Waste adaptor 4.4.5.4 X X X X*

3.4.5.3.1 Transfer hose

compatibility

4.4.5.4.1 X X X X*

3.4.5.3.2 Manual shut-

off valve

4.4.5.4.2 X X X X*

3.4.5.3.3 End weight 4.4.5.4.3 X X X X*

1 – Analysis A - Design verification

2 - Demonstration B - First article

3 - Examination C – Conformance

4 – Test

Section 3 Requirement Section 4

Method

Verification

Methods

Verification

Class

1 2 3 4 A B C

3.4.5.3.3.1 HOWITZER,

MEDIUM,

TOWED:

155mm, M198

Adaptor

Compatibility

4.4.5.4.3.1 X X X X*

3.4.5.4 HOWITZER,

MEDIUM,

TOWED:

155mm, M198

Adaptor

4.4.5.5 X X X X*

3.4.5.5 HOWITZER,

MEDIUM,

TOWED:

155mm, M198

Adaptor Cap

4.4.5.6 X X X X*

TABLE II. Requirement/Verification Cross Reference Matrix Continued

1 – Analysis A - Design verification

2 - Demonstration B - First article

3 - Examination C – Conformance

4 – Test

Section 3 Requirement Section 4

Method

Verification

Methods

Verification

Class

1 2 3 4 A B C

3.4.5.6 HOWITZER,

MEDIUM, TOWED:

155mm, M777

Suspension Adaptor.

4.4.5.7 X X X X*

3.4.6 Seal materials 4.4.6/4.5.1.1

4.5.1.2/4.5.2

X X X X

3.4.7 System protection 4.4.7 X X X X

3.4.8 Weight 4.4.8 X X X X*

3.4.9 Construction 4.4.9 X X X

3.4.9.1 Cart wheels lockable 4.4.9.1 X X X X*

2 - Demonstration B - First article

3 - Examination C – Conformance

4 – Test

Section 3 Requirement Section 4

Method

Verification

Methods

Verification

Class

1 2 3 4 A B C

3.4.10 Size 4.4.10 X X X X*

3.4.11 Interchangeability 4.4.11 X X X

3.5 Operating requirements 4.5

3.5.1 Operation 4.5.1 X X X X

3.5.2 Pressure rating 4.5.1/4.5.2 X X X X

3.5.3 Draw 4.5.3 X X X X

3.5.4 Flow rate, powered

(110-130V 60 Hz)

4.5.4 X X X X

3.5.5 Flow rate, powered

(220-240V 50Hz)

4.5.5 X X X X

3.5.6 Flow rate, manual 4.5.6 X X X X

3.5.7 Hydraulic pressure

gauge

4.5.7 X X X X*

3.5.8 Filter 4.5.8 X X X X*

3.5.9 Filter change indicator

gauge

4.5.9 X X X

3.5.9.1 Filter change indicator

gauge reset

4.5.9.1 X X X X*

3.5.10 Reservoir 4.5.10 X X X

3.5.10.1 Reservoir sight glass 4.5.10.1 X X X

3.5.11 Fill port 4.5.11 X X

3.5.12 Self-purging 4.5.12 X X X X*

3.5.13 Power 4.5.13

3.5.13.1 Power supply cord 4.5.13.1 X X X X*

TABLE III. Requirement/Verification Cross Reference Matrix Continued

1 – Analysis A - Design verification

2 - Demonstration B - First article

3 - Examination C – Conformance

4 – Test

Section 3 Requirement Section 4

Method

Verification

Methods

Verification

Class

1 2 3 4 A B C

3.5.13.2 15-Amp service outlet compatibility

4.5.13.2 X X X X

3.5.13.3 220-240V 50Hz and

110-130V 60Hz compatibility

4.5.13.3 X X X X

3.5.13.4 Power protection 4.5.13.4 X X X X

3.5.14 Meter 4.5.14 X X X X X*

3.5.14.1 Meter reset 4.5.14.1 X X X

3.5.15 Handling 4.5.15

3.5.15.1 Mobile convenience 4.5.15.1 X X X X*

3.5.15.2 Handles 4.5.15.2 X X X

3.6 Support and

ownership requirements

4.6

3.6.1 Reliability 4.6.1

3.6.1.1 Motorized pump 4.6.1.1 X X X

3.6.1.2 Manual pump 4.6.1.2 X X X

3.6.1.3 Operational life 4.6.1.3 X X X

3.6.2 Maintainability 4.6.2

3.6.2.1 Mean time to repair 4.6.2.1 X X X

3.6.2.2 Maintenance

personnel required

4.6.2.2 X X X

3.6.2.3 Special tools & test

equipment (STTE)

4.6.2.3 X X X

3.6.3 Markings 4.6.3

3.6.3.1 Product marking 4.6.3.1 X X X X*

3.6.3.2 Other markings 4.6.3.2 X X X

3.6.3.2.1 Operational fluid 4.6.3.2.1 X X X

3.6.4 Workmanship 4.6.4 X X X X

3.6.5 Corrosion resistance

maintenance

4.6.5 X X

3.6.6 Color 4.6.6 X X X X*

2 - Demonstration B - First article

3 - Examination C – Conformance

4 – Test

Section 3 Requirement Section 4

Method

Verification

Methods

Verification

Class

1 2 3 4 A B C

3.5.13.2 15-Amp service outlet compatibility

4.5.13.2 X X X X

3.5.13.3 220-240V 50Hz and

110-130V 60Hz compatibility

4.5.13.3 X X X X

3.6.7 Environmental

requirements

4.6.7

3.6.7.1 Temperature 4.6.7.1 X X X X

4.1 Design verification. When specified (see 6.2), design verification shall be performed by analysis, demonstration, examination and tests of all performance requirements as specified in

Table I.

4.1.1 Design verification test rejection. If a sample fails to meet any specified performance requirement, the design shall be rejected.

4.2 First article inspection. When specified (see 6.2), first article inspection of sample items shall be executed by analysis, demonstration, examination and tests of all performance requirements in accordance with Table I.

4.2.1 First article rejection. If any sample fails to comply with the specified performance requirements, the sample shall be rejected.

4.3 Conformance verification. The Oil Transfer System shall be subjected to conformance inspection which shall be accomplished by analysis, demonstration, examinations and tests in accordance with TABLE I.

4.3.1 Lot formation. Lot formation shall be in accordance with the lot formation and identification requirement as specified in MIL-STD-1916.

4.3.1.1 Sampling. Production acceptance sampling requirements are identified in the Verification Matrix, TABLE I, by a “X*” symbol in the Conformance column. MIL-STD-

1916, DOD Preferred Methods of Acceptance of Product shall be used for selection of the sample size. The Verification Level (VL) shall be VL II.

4.3.2 Lot rejection. If any sample fails to comply with the specified performance requirements, the lot shall be rejected.

4.4 Interface and interoperability verifications.

4.4.1 Interoperability. Verify by objective evidence, examination and demonstration that the Oil Transfer System physically connects to the howitzers identified in 1.1.

4.4.2 Interface. Verify by objective evidence, examination and demonstration that the oil transfer unit physically connects to the transfer hose.

4.4.3 Couplings. Verify by examination that the Oil Transfer System has quick disconnect couplings on all fittings and hoses.

4.4.3.1 Material. Verify by examination that the material of all the quick disconnect couplings included with the Oil Transfers System are stainless steel 316.

4.4.4 Fluid compatibility. Verify by analysis and test that the Oil Transfer System is compatible with MIL-PRF-6083 hydraulic fluids.

4.4.5 Lines and adaptors. Verify by test that the lines and adaptors perform to the specification herein without leakage. The transfer hose and HOWITZER, MEDIUM, TOWED:

155mm M198 adaptor while connected to the waste adaptor should perform, under the pressures specified herein, without leakage.

4.4.5.1 Transfer hose. Verify by examination that the Oil Transfer System has a

15-20 foot transfer hose with each end capable of mating to a Parker H2-63, a ML2-K16 plug or equivalent.

4.4.5.2 Suction adaptor. Verify by examination that the Oil Transfer System has a suction adaptor assembly capable of mating to the transfer hose on one end and a suction strainer on the other end.

4.4.5.3 Suction adaptor diameter. Verify by examination that the maximum outside diameter of the suction adaptor is 1.5 inches +/-.125.

4.4.5.4 Waste adaptor. Verify by examination that the Oil Transfer System has a

2-3 foot waste hose adaptor assembly.

4.4.5.4.1 Transfer hose compatibility. Verify by examination that the waste hose adaptor assembly is capable of mating to the transfer hose on one end.

4.4.5.4.2 Manual shut-off valve. Verify by examination that the waste hose adaptor assembly includes a manual shut-off valve which is located at the transfer hose connector end.

4.4.5.4.3 End weight. Verify by examination that the waste hose adapter assembly includes an end weight of 200 +/- 10 grams that is rotatable and located on the end opposite to the transfer hose connection.

4.4.5.4.3.1 Howitzer, medium, towed: 155mm M198 adaptor compatibility.

Verify by examination that the end weight is capable of accepting the .625-18 UNF-2A thread on the Liquid Releasing Tool (HOWITZER, MEDIUM, TOWED: 155mm M198 Adaptor) in accordance with drawing 19200-6103913.

4.4.5.5 Howitzer, medium, towed: 155mm M198 adaptor. Verify by examination that the Oil Transfer System has a Liquid Releasing Tool (HOWITZER, MEDIUM, TOWED:

155mm M198 Adaptor) in accordance with drawing 19200-6103913 capable of mating to the end weight on the waste hose adaptor assembly.

4.4.5.6 Howitzer, medium, towed: 155mm M198 adaptor cap. Verify by examination that the Oil Transfer System has a HOWITZER, MEDIUM, TOWED: 155mm

M198 hose adaptor cap in accordance with drawing 19200-8410593.

4.4.5.7 Howitzer, medium, towed: 155mm, M777 suspension adaptor. Verify by examination that the Oil Transfer System has a suspension adaptor assembly consisting of a 20-

24 inch hose capable of mating to the transfer hose on one end and a .25 inch barb fitting on the other end.

4.4.6 Seal materials. Verify by analysis that the seal materials are compatible with

MIL-PRF-6083 hydraulic fluid.

4.4.7 System protection. Verify by analysis and demonstration that the Oil Transfer

System design is protected against rough handling and transportation. The design shall provide features that provide protection to such parts as hydraulic lines, fittings, power supplies, meters and filters during rugged field usage.

4.4.8 Weight. Verify by examination that the weight of the oil transfer unit (empty) does not exceed 145 pounds using an approved calibrated scale.

4.4.9 Construction. Verify by examination that the Oil Transfer System construction consists of an oil transfer unit and a separate four wheeled cart.

4.4.9.1 Cart wheels lockable. Verify by examination that the wheeled cart has at least two lockable wheels.

4.4.10 Size. Verify by examination that the maximum envelope dimensions of the oil transfer unit mounted on the wheeled cart does not exceed 20 inches (wide) x 23.5 inches

(deep) x 22.5 inches (height) using standard measuring equipment.

4.4.11 Interchangeability. Verify by examination that the Oil Transfer System has parts, subassemblies and assemblies with the same manufacturer’s part number that are directly and completely interchangeable with each other with respect to installation and performance.

4.5 Operating verifications.

4.5.1 Operation and pressure rating (powered) test.

4.5.1.1 Operation and pressure rating (110-130V 60Hz). For Design verification and First Article, the Oil Transfer System shall be operated for a 12 hour period at the rated conditions specified in 3.5.1, 3.5.2 and the power conditions specified in 3.5.4. The Oil Transfer

System shall be examined at the end of each 4 hour period. For conformance testing, the test period shall be a minimum of 15 minutes per system. Maintenance and minor adjustments shall be permitted within the examinations periods. The Oil Transfer System shall be examined during the operation for leakage and for malfunction of any component. Any leakage attributed to defects in design, workmanship and materials or the malfunction of any component shall constitute a failure.

4.5.1.2 Operation and pressure rating (220-240V 50Hz). The Oil Transfer System shall then be operated for a 1.5 hour period at the rated conditions specified in 3.5.1, 3.5.2 and the power conditions specified in 3.5.5. The Oil Transfer System shall be examined at the end of the period. The Oil Transfer System shall be examined during the operation for leakage and for malfunction of any component. Any leakage attributed to defects in design, workmanship and materials or the malfunction of any component shall constitute a failure.

4.5.2 Operation and pressure rating (manual) back-up mode test. For Design verification and First Article, the Oil Transfer System shall be operated for a 3 hour period at the rated conditions specified in 3.5.2 and 3.5.6. The Oil Transfer System shall be examined at the end of each 1 hour period. For conformance testing, the rated conditions shall be tested.

Maintenance and minor adjustments shall be permitted within the examinations periods. The Oil

Transfer System shall be examined during the operation for leakage and for malfunction of any component. Any leakage attributed to defects in design, workmanship and materials or the malfunction of any component shall constitute a failure.

4.5.3 Draw. Verify by test that the Oil Transfer System’s motorized pump is able to draw either fluid listed in 3.4.4 from a container into the Reservoir (see 3.5.10).

4.5.4 Flow rate, powered (110-130V 60Hz). Verify by test that the Oil Transfer

System does not have less than a .50 GPM and not more than .65 GPM flow rate at the operation pressures of 0 – 2000 psi while connected to a 110-130V 60Hz power source.

4.5.5 Flow rate, powered (220-240V 50Hz). Verify by test that the Oil Transfer

System does not have less than a .39 GPM and not more than .65 GPM flow rate at the operation pressures of 0 – 2000 psi while connected to a 220-240V 50Hz power source.

4.5.6 Flow rate, manual. Verify by test that the Oil Transfer System has a manual backup which can transfer a minimum of .69 cubic inches of oil per cycle and a maximum of .76 cubic inches per cycle.

4.5.7 Hydraulic pressure gauge. Verify by examination that the Oil Transfer

System has a hydraulic pressure gauge appropriate of measuring working pressures up to 2500

PSI.

4.5.8 Filter. Verify by examination that a 3 to 5 micron cartridge filter for transferring fluids to and from pressurized systems is utilized.

4.5.9 Filter change indicator gauge. Verify by analysis that the filter has an indicator gauge for alerting the operator when the 3 to 5 micron filter needs to be changed; that the indicator gauge alerts the operator when the pressure drop across the filter exceeds 35 psig and that the indicator gauge remains in the alert mode until reset, even if the high differential pressure condition disappears.

4.5.9.1 Filter change indicator gauge reset. Verify by examination that the filter change indicator gauge has a reset capability.

4.5.10 Reservoir. Verify by examination that the Oil Transfer System has a reservoir that is a minimum of 8 gallons and a maximum of 13 gallons.

4.5.10.1 Reservoir sight glass. Verify by examination that the Oil Transfers

System has a sight glass suitable for determining the volume of oil in the reservoir.

4.5.11 Fill port. Verify by demonstration that the fill port is accessible and capable of being replenished manually by an open 6.625 inch diameter by 7.69 inch height minimum cylindrical container without spillage.

4.5.12 Self-purging. Verify by test that the Oil Transfer System is self purging using both the powered and manual operations with the hoses supplied.

4.5.13 Power.

4.5.13.1 Power supply cord. Verify by examination that the Oil Transfer System has a 25 foot minimum length power supply cord.

4.5.13.2 15-Amp service outlet compatibility. Verify by test that the Oil Transfer

System electrical plug is a NEMA 5-15P type and when connected to 15-Amp service does not trip the breaker under any load condition.

4.5.13.3 220-240V 50Hz and 110-130V 60Hz compatibility. Verify by test that the

Oil Transfer System is compatible with 220-240V 50Hz and 110-130V 60Hz power sources with no modification(s) required.

4.5.13.4 Power protection. Verify by test that the Oil Transfer System is inactive or is not damaged when connected to a 110-130V 60Hz power source but set for a 220-240V

50Hz power source or vice versa.

4.5.14 Meter. Verify by examination that the Oil Transfer System has a digital totalizing meter capable of measuring in quarts.

4.5.14.1 Meter reset. Verify by demonstration that the Meter has reset capability.

4.5.15 Handling.

4.5.15.1 Mobile convenience. The Oil Transfer shall be wheeled by a single operator, over a smooth concrete surface, a distance of one hundred feet during which it will be subjected to twenty turns and will be wheeled over a 3/4 inch raised surface (plywood) at least five (5) times. Any breakage, loosening or jamming of any parts and a turning radius that exceeds 4 feet will constitute a failure. If any sample Oil Transfer System fails to comply with any applicable requirement, the unit shall be rejected.

4.5.15.2 Handles. Verify by demonstration that the oil transfer unit is capable of being lifted, by the handles, from the floor and on a surface no less than 91 cm (3 ft) above the floor.

4.6 Support and ownership verifications.

4.6.1 Reliability.

4.6.1.1 Motorized pump. Verify by analysis that the Oil Transfer System's motorized pump has a minimum reliability of 1000 hours Mean Time Between Failure.

4.6.1.2 Manual pump. Verify by analysis that the Oil Transfer System's manual pump has a minimum reliability of 200 hours Mean Time Between Failure.

4.6.1.3 Operation life. Verify by analysis that the Oil Transfer System has a minimum operational life of 10,000 hours of usage after delivery, under any combination of the operation environments specified herein, with servicing as identified by supplier.

4.6.2 Maintainability.

4.6.2.1 Mean time to repair (MTTR). Verify by analysis that the Oil Transfer

System has a MTTR that does not exceed one half hours at the field level.

4.6.2.2 Maintenance personnel required. Verify by analysis that the Oil Transfer

System does not require more than two field level maintainers to maintain.

4.6.2.3 Special tools & test equipment (STTE). Verify by analysis that the Oil

Transfer System does not require Special Tools and Test Equipment to troubleshoot or repair.

4.6.3 Markings.

4.6.3.1 Product marking. Verify by examination that the Oil Transfer System has a permanently attached legible identification plate in accordance with MIL-STD-130 and 3.6.3.1.

4.6.3.2 Other markings. Verify by examination that other markings on the Oil

Transfer System required for operational guidance are permanently attached and legible.

4.6.3.2.1 Operational fluid. Verify by examination that the “USE MIL-PRF-

6083, OHT ONLY” is prominently displayed in the vicinity of the fill port. The marking shall be permanently affixed to the Oil Transfer System.

4.6.4 Workmanship. Each Oil Transfer System shall be visually examined for workmanship in the fabrication and assembly. The workmanship shall comply with best commercial practices. The parts shall be clean and free of burrs, sharp edges, unblended radii, surface defects, cracks, chips, dirt, grease, oil (except where specifically required), rust, foreign matter or any evidence of poor workmanship that could render the system unsuitable for its intended purpose that would affect life, serviceability, and appearance.

4.6.5 Corrosion resistance maintenance. Verify by analysis that the Oil Transfer

System shall not require more than 3.0 minutes of preventive maintenance per week to keep the

Oil Transfer System corrosion free.

4.6.6 Color. Verify by examination that the painted surfaces of the Oil Transfer

System shall be per FED-STD-595 within the range of color codes listed in TABLE IV.

TABLE IV. System paint colors.

Color Gloss Semi-Gloss Flat

Green 14036-14223 24052-24325 34031-34129

Black 17038 27038-27041 37030-37056

4.6.7 Environmental verification

4.6.7.1 Temperature. Verify by analysis that the Oil Transfer System operates at ambient temperatures from minus 20 F to plus 110 F.

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 material 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 activity within the Military Service of 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 Oil Transfer System covered by this specification is intended for use in howitzer oil transfer applications.

6.2 Acquisition requirements. Acquisition documents should specify the following:

a. Title, number, and date of this specification, and of all reference documents cited in

Section 2 and applicable documents from Section 6.

b. Requirement for design verification.

c. Requirement for first article inspection.

d. Requirement for conformance inspection.

e. Requirement for preparation of Operation and Maintenance Manual

f. Requirement for Spare Part provisions

6.3 Definitions.

Cycle: Moving the handle from the start point to the other extreme and then back to the start point.

6.4 Subject term (key word) listing.

Hydraulic, Pump