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National Stock Number:
5310-00-274-4540
Federal Supply Class:
5310
National Item Identification Number:
002744540
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:
| 373886 | 65282 | WHITE MOTOR CORP | | 45278 | 23862 | MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02 | | 5190920 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 45278 | 24617 | GENERAL MOTORS CORP | | 45278 | 72560 | GENERAL MOTORS CORP DELCO PRODUCTS DIV MACHINE CONTROL SYSTEMS | | 45278 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.377 INCHES MINIMUM AND 0.382 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.500 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | THICKNESS | 0.0197 INCHES MINIMUM AND 0.0297 INCHES MAXIMUM |
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