Purchase Specifications.pdf

Purchase Specifications for System 22S Dimensional, Contact Type, Indicating Screw Thread Gaging Systems suitable for determining the acceptability of GO / Maximum Material Functional Diameter Size and Minimum Material Pitch Diameter Size of UN and UNR external and UN internal screw threads for the sizes listed herein.

MIL-DTL-1222J “4.4 Dimensional. Table XIV specifies the features to be dimensionally inspected (see 6.2 and 6.3). Acceptability of UN and UNR screw threads shall be determined based upon system 22S, ASME B1.3M, with the addition of control on the roundness of the pitch cylinder.

Screw thread gages and gaging shall be in accordance with ASME B1.2 and capable of inspecting any out-of-round condition that effects fastener assembly and function.”

Per Table XIV, page 43. Dimensional examination requirements

External Thread Dimension: GO Maximum Material, Functional Size.

Including Oval, 180 degree Roundness of pitch cylinder.

External Thread Dimension: Minimum Material, Pitch Diameter.

Including Multi-lobe, 120 degree Roundness of pitch cylinder.

External Product Screw Thread Indicating Type Gaging Systems: Portable Style

External Thread Size Diameters: 1.000” through 2.500”

REQUIREMENTS OF PROPOSAL:

Offeror shall submit as part of their proposal, brochures, photographs, illustrations, drawings, narratives or any combination which clearly show that the design, construction, capabilities, and operation of the equipment being offered will meet all of the requirements set forth in this solicitation.

Proposal submitted must include a response to each paragraph indicating either compliance (mark with C) or non-compliance (mark with N/C) with the paragraph’s specific requirements. If non-compliance is noted, responder must provide detailed information, so the impact of the non-compliance can be evaluated. Submitting a proposal that has any partial non-compliance that does not indicate non-compliance shall be rejected. Offers whom do not include sufficient technical information for each non-compliance section in order to permit a complete compliance evaluation by the using activity shall be rejected.

APPLICABLE DOCUMENTS:

The following documents form part of this specification to the extent specified herein.

Government Documents:

FED-STD-H28

FED-STD-H28/20A

MIL-DTL-1222J

Industry Documents:

ANSI / ASME B1.1

ANSI / ASME B1.2

ASME B1.3

ANSI/ ASME B1.12

DESIGN REQUIREMENTS:

The External and Internal Product Screw Thread Gaging systems shall be new and one of the manufacturer’s current production model. Products such as prototype, pre-production or an experimental unit do not qualify as meeting the requirements of this purchase specification.

Gaging systems must be similar to current Johnson Gage External and Internal Product Screw Thread Gaging systems used in Portsmouth Naval Shipyard, Norfolk Naval Shipyard and Puget Sound Naval Shipyard.

External Product Screw Thread Indicating Type Gaging Systems: Portable Style:

One complete system for each of the following External screw threads:

1/4”-28 UNF-2A/3A

3/8”-24 UNF-2A/3A

7/16”-20 UNF-2A/3A

9/16”-12 UNC-2A/3A

9/16”-18 UNF-2A/3A

7/8”-9 UNC-2A/3A

7/8”-14 UNF-2A/3A

1”-12 UNF-2A/3A

1-1/8”-7 UNC-2A/3A

1-1/8”-12 UNF-2A/3A

1-1/4”-12 UNF-2A/3A

Each thread size listed above will comprise of the following components to make up a system:

Frame: Segment Model SBHF, Maximum Material, “GO” / Functional Diameter Size Portable Style, 180 Degree Gaging position, Size dedicated.

Indicator: Analog type with .00025” graduation and two red adjustable tolerance markers.

Provided with contact point.

Segments: Maximum Material, GO, Functional Size: GO Segments at 180 degree contact. The segments shall be made to class “X” Tolerance. The pair of segments shall be marked with a unique gage identification number and referenced on the certificates of conformance. Above gaging must be in accordance with Federal Standard H28, Section 20A, System 22, referencing ASME B1.3 Table 1, page 4, col A2, section 4.1.2. Segments are to be supplied with short for certificates of conformance. Specification and Dimensions of gage segments per ANSI/ASME B1.2-1983 section 5.9.

Frame: Tri-Roll Model SCHF, Minimum Material, Pitch Diameter Size Portable Style, 120 Degree Gaging position, Size dedicated.

Indicator: Analog type with .00025” graduation and two red adjustable tolerance markers.

Provided with contact point.

Tri-Rolls: Minimum Material, Pitch Diameter Size: Pitch Diameter Type – Cone and Vee Tri-Rolls at 120 degree contact. The roll elements shall be made to Class “X” tolerance. Above specified gaging must be in accordance with Federal Standard H28, Section 20A, System 22, referencing ASMEB1.3, Table 1, page 4, Col. C2, Section 4.5.1. Specification and Dimensions of gage rolls per ANSI/ASME B1.2-1983 section 5.10.

Master Thread Set Gage:

Plug Gage, GO and NOT GO Thread Set Master, Class 2A. Truncated, Full Class “W” for Lead, Angle and Size per H28/ASME B1.2. Each GO/NOT GO Gage will be supplied with a handle.

Plug Gage, GO and NOT GO Thread Set Master, Class 3A. Truncated, Full Class “W” for Lead, Angle and Size per H28/ASME B1.2. Each GO/NOT GO Gage will be supplied with a handle.

Plug Gage, GO and NOT GO Thread Set Master, Class 5A. (Where specified) Truncated, Full Class “W” for Lead, Angle and Size per H28/ASME B1.2. Each GO/NOT GO Gage will be supplied with a handle.

Each Thread Set Gage (each member) must be supplied with a unique 3 letter code. Each Member will have a long form Certificate of Calibration traceable to NIST. Specification and Dimensions of gage master per ANSI/ASME B1.2-1983 section 5.13.

Storage Container: Plastic carrying case, double walled construction, mechanical hinges, foam insert, handle and gage ID tag, and assembly tools.

Internal Product Screw Thread Indicating Type Gaging Systems: Portable Style:

One complete system for each of the following internal screw threads:

1/4”-20 UNC-2B/3B

3/8”-24 UNF-2B/3B

7/16”-14 UNC-2B/3B

1/2”-13 UNC-2B/3B

9/16”-12 UNC-2B/3B

5/8”-18 UNF-2B/3B

3/4”-10 UNC-2B/3B

1”-8 UNC-2B/3B

1-1/8”-7 UNC-2B/3B

Two complete systems for each of the following internal screw threads:

1/4”-28 UNF-2B/3B

5/16”-18 UNC-2B/3B

5/16”-24 UNF-2B/3B

3/8”-16 UNC-2B/3B

7/16”-20 UNF-2B/3B

1/2”-20 UNF-2B/3B

9/16”-18 UNF-2B/3B

7/8”-14 UNF-2B/3B

1”-12 UNF-2B/3B

1-1/8”-12 UNF-2B/3B

1-1/4”-7 UNC-2B/3B

1-1/4”-12 UNF-2B/3B

Each thread size listed above will comprise of the following components to make up a system:

Frame: Segment, Maximum Material, “GO” / Functional Diameter Size Portable Style, 180 Degree Gaging position, Size dedicated.

Indicator: Analog type with .00025” graduation and two red adjustable tolerance markers.

Provided with contact point.

Segments: Maximum Material, GO, Functional Size: GO Segments at 180 degree contact. The segments shall be made to class “X” Tolerance. The pair of segments shall be marked with a unique gage identification number and referenced on the certificates of conformance. Above gaging must be in accordance with Federal Standard H28, Section 20A, System 22, referencing ASME B1.3 Table 2, page 8, col A2, Section 4.1.2. Segments are to be supplied with short for certificates of conformance. Specification and Dimensions of gage segments per ANSI/ASME B1.2-1983 section 4.10.

Cone Support: Each pair of functional diameter segments will include of a cone support. The cone support will be screwed into the spindle assembly and secured with set screw. This reduces flexing or twisting of the segment when seating the master and while inspecting the product screw thread for an out-of-round condition.

Additional Cone Support: Each pair of functional diameter segments will include an additional cone support.

Frame: Roll, Minimum Material, Pitch Diameter Size Portable Style, 120 Degree Gaging position, Size dedicated.

Indicator: Analog type with .00025” graduation and two red adjustable tolerance markers.

Provided with contact point.

Segments: Minimum Material, Pitch Diameter: Minimum Material – pitch diameter type – Cone and Vee at 120 degree contact. The segments shall be made to class “X” Tolerance. The pair of segments shall be marked with a unique gage identification number and referenced on the certificates of conformance. Above gaging must be in accordance with Federal Standard H28, Section 20A, System 22, referencing ASME B1.3 Table 2, page 8, col A2, Section 4.5.1. Segments are to be supplied with short for certificates of conformance. Specification and Dimensions of gage segments per ANSI/ASME B1.2-1983 section 4.11.

Cone Support: Each pair of pitch diameter segments will include of a cone support. The cone support will be screwed into the spindle assembly and secured with set screw. This reduces flexing or twisting of the segment when seating the master and while inspecting the product screw thread for an out-of- round condition.

Additional Cone Support: Each pair of pitch diameter segments will include an additional cone support.

OR

Tri-Rolls: Minimum Material, Pitch Diameter Size: Pitch Diameter Type – Cone and Vee Tri-Rolls at 120 degree contact. The roll elements shall be made to Class “X” tolerance. Above specified gaging must be in accordance with Federal Standard H28, Section 20A, System 22, referencing ASMEB1.3, Table 2, page 8, Col. C2, Section 4.5.1.

Specification and Dimensions of gage rolls per ANSI/ASME B1.2-1983 section 4.11.

Master Thread Set Gage:

Ring Gage, Solid, GO and NOT GO Thread Set Master, Class 3B. Full Class “W” for Lead, Angle and Size perH28/ASME B1.2.

Each Thread Set Gage (each member) must be supplied with a unique 3 letter code. Each Member will have a long form Certificate of Calibration traceable to NIST. Specification and Dimensions of gage master per ANSI/ASME B1.2-1983 section 4.7.

Storage Container: Plastic carrying case, double walled construction, mechanical hinges, foam insert, handle and gage ID tag, and assembly tools.

Master Thread Set Gages:

Following ring gage sizes and quantities:

1’-8 , 2 each .4375”-14 , 2 each .750”-10 , 3 each 1.750”-12 , 1 each 1.250”-12 , 1 each 1.250”-7 , 1 each 1.1875”-16 , 1 each 1.1875”-12 , 1 each .500”-13 , 3 each 1.125”-12 , 1 each 1.000”-12 , 1 each 1.000”-14 , 1 each 1.000”-8 , 1 each .875”-9 , 2 each .875”-12 , 1 each .875”-14 , 1 each .750”-16 , 2 each .625”-11 , 2 each .4375”-20 , 1 each .500”-20 , 3 each .5625”-18 , 2 each .750”-16 , 4 each .3125”-18 UNC 5, 1 each .250”-20 UNC 5, 1 each

Ring Gage, Solid, GO and NOT GO Thread Set Master, Class 3B. Full Class “W” for Lead, Angle and Size perH28/ASME B1.2.

Each Thread Set Gage (each member) must be supplied with a unique 3 letter code. Each Member will have a long form Certificate of Calibration traceable to NIST. Specification and Dimensions of gage master per ANSI/ASME B1.2-1983 section 4.7.