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National Stock Number:
5310-00-291-9923
Federal Supply Class:
5310
National Item Identification Number:
002919923
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:
| 12430D | 29930 | INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV | | 12430D | 31007 | NAVISTAR INTL CORP | | 152261 | 01957 | ACF INDUSTRIES INC | | 5053960 | 16748 | GENERAL MOTORS CORP DELCO PRODUCTS DIV | | 5053960 | 24617 | GENERAL MOTORS CORP | | 141-144 | 44940 | CUMMINS POWER GENERATION INC. | | C71X4 | 06840 | BENDIX CORP THE | | 9B4466 | 11083 | CATERPILLAR INC | | 5063960 | 16748 | GENERAL MOTORS CORP DELCO PRODUCTS DIV | | 5063960 | 24617 | GENERAL MOTORS CORP | | T56-4 | 44940 | CUMMINS POWER GENERATION INC. | | T56-4 | 53496 | SCHRAMM, INC. | | T56-4 | 56442 | DIAMOND REO TRUCK CO | | T56-4 | 79960 | ZENITH FUEL SYSTEMS LLC | | WPP438 | 79172 | SIEMENS WATER TECHNOLOGIES CORP. DIV WALLACE & TIERNAN PRODUCTS |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.160 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-12803,NO. +3002-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | CELLULOSE OVERALL | | III MINIMUM TENSILE STRENGTH | 6000 POUNDS PER SQUARE INCH | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.265 INCHES NOMINAL | | THICKNESS | 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
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