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National Stock Number:
5310-00-522-5957
Federal Supply Class:
5310
National Item Identification Number:
005225957
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:
| 18998R | 56442 | DIAMOND REO TRUCK CO | | 2144288 | 24617 | GENERAL MOTORS CORP | | 2144288 | 7X677 | GENERAL MOTORS LLC | | 24W023 | 62265 | VOLVO TRUCKS NORTH AMERICA INC. DBA FOREIGN PARENT IS VOLVO LASTVAGNAR AB GOTEBORG SWEDEN. | | 364628 | 65282 | WHITE MOTOR CORP | | 5225957 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | BK16640 | 14892 | BENDIX CORP THE BRAKE AND STEERING DIV | | BK16640 | 56442 | DIAMOND REO TRUCK CO | | BK16640 | 58275 | SASCO INC CANADIAN DIV | | BK16640 | 76040 | MACK TRUCKS INC PARTS OPN |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 60.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM | | HOLE DIAMETER | 1.281 INCHES NOMINAL | | OVERALL DIAMETER | 1.550 INCHES MINIMUM AND 1.560 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-112803,NO. +2255-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | CORK OVERALL | | MINIMUM TENSILE STRENGTH | 250 POUNDS PER SQUARE INCH | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
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