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National Stock Number:
5310-00-776-7631
Federal Supply Class:
5310
National Item Identification Number:
007767631
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:
| 5310007767631 | A00AM | E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE | | 5310007767631 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | 62.90.121 | 0124B | SAPA OPERACIONES SL | | 7767631 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 8892925 | 24617 | GENERAL MOTORS CORP | | 8892925 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 50.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM | | HOLE DIAMETER | 1.015 INCHES MINIMUM AND 1.030 INCHES MAXIMUM | | OVERALL DIAMETER | 1.401 INCHES MINIMUM AND 1.420 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
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