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National Stock Number:
5310-01-447-2126
Federal Supply Class:
5310
National Item Identification Number:
014472126
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:
| 1 3/4 OD X 25/32 ID X 1/8 THK | 53711 | NAVAL SEA SYSTEMS COMMAND | | 122-4322698 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 4322698-40 | 90614 | CELANESE PLASTICS CO DIV OF CELANESE CORP |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 462 OR | | COPPER ALLOY 464 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.781 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.750 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.125 INCHES NOMINAL |
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