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National Stock Number:
5310-01-150-5921
Federal Supply Class:
5310
National Item Identification Number:
011505921
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:
| 29512113 | 73342 | ALLISON TRANSMISSION INC | | 8626281 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 993488 | 7041B | URO VEHICULOS ESPECIALES SA | | 8626281 | 73342 | ALLISON TRANSMISSION INC | | 8626281 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.323 INCHES MINIMUM AND 0.333 INCHES MAXIMUM | | OVERALL DIAMETER | 0.560 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | EMS 3B,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | RUBBER OVERALL | | THICKNESS | 0.028 INCHES MINIMUM AND 0.046 INCHES MAXIMUM |
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