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National Stock Number:
5310-01-476-9321
Federal Supply Class:
5310
National Item Identification Number:
014769321
Description:
WASHER,FLAT
Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
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Manufacturer Information:
| 12339248 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12339248-3 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 5365PL0786387 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | BLACK OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.660 INCHES NOMINAL | | OVERALL DIAMETER | 2.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J410,GRADE 950X ASSN STD 1ST MATERIAL RESPONSE OR ASTM A588 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A576,1018 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A108,1018 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A108,12L14 ASSN STD 5TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-46168 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PLASTIC POLYURETHANE OVERALL | | THICKNESS | 0.250 INCHES NOMINAL |
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