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National Stock Number:
5310-01-449-8783
Federal Supply Class:
5310
National Item Identification Number:
014498783
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:
| 124-7386971 PC 21 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 167-7563785 PC 118 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6397268 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397268 PC 118 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 804-5184196 PC28 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.781 INCHES NOMINAL | | OVERALL DIAMETER | 1.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-639 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.062 INCHES NOMINAL |
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