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National Stock Number:
5310-00-914-7310
Federal Supply Class:
5310
National Item Identification Number:
009147310
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:
| 10940451 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 5310009147310 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | | A8582-1 | 72914 | GRIMES AEROSPACE COMPANY |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 11 OR | | COPPER ALLOY 360 OR | | COPPER ALLOY 260 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 1/2 HARD FED SPEC 1ST MATERIAL RESPONSE OR | | QQ-B-626 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OR | | QQ-B-613 FED SPEC 3RD MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | TIN OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.380 INCHES MINIMUM AND | | 0.400 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.521 INCHES MINIMUM AND | | 0.541 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.063 INCHES NOMINAL |
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