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National Stock Number:
5310-00-291-8958
Federal Supply Class:
5310
National Item Identification Number:
002918958
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:
| 12A8178 | 95201 | NAPCO INTERNATIONAL LLC | | 2109934 | 24617 | GENERAL MOTORS CORP | | 25179J | 56442 | DIAMOND REO TRUCK CO | | 24DM30 | 59875 | EATON CORP | | 373807 | 65282 | WHITE MOTOR CORP | | 2109934 | 7X677 | GENERAL MOTORS LLC | | 5X429 | 19107 | DART TRUCK CO | | 5225885 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 5X429 | 3D6E9 | MERITOR INDUSTRIAL PRODUCTS, LLC | | 5X429 | 56442 | DIAMOND REO TRUCK CO | | 5X429 | 59690 | KOEHRING CO LORAIN DIV | | 9A0516 | 62265 | VOLVO TRUCKS NORTH AMERICA INC. DBA FOREIGN PARENT IS VOLVO LASTVAGNAR AB GOTEBORG SWEDEN. | | 5X429 | 78500 | MERITOR HEAVY VEHICLE SYSTEMS, LLC | | 5X429 | 8E499 | KOEHRING CRANES AND EXCAVATORS INC SUB OF NORTHWEST ENGINEERING CO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 60.0 SHORE DUROMETER A NOMINAL | | HOLE DIAMETER | 1.109 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.938 INCHES NOMINAL | | THICKNESS | 0.188 INCHES NOMINAL |
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