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National Stock Number:
5310-01-484-1882
Federal Supply Class:
5310
National Item Identification Number:
014841882
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:
| 122-2486638 PAR | 53711 | NAVAL SEA SYSTEMS COMMAND | | 122-6669167 PC 11 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6669167 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 2.516 INCHES NOMINAL | | OVERALL DIAMETER | 6.000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-639,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 482 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | ONE SIDE ONLY,6 EQUALLY SPACED GREASE GROOVES 0.188 IN NOM X 0.062 IN NOM RADIAL | | THICKNESS | 0.188 INCHES NOMINAL |
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