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National Stock Number:
5310-00-081-0490
Federal Supply Class:
5310
National Item Identification Number:
000810490
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:
| 63B52055-11 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.313 INCHES MINIMUM AND 1.375 INCHES MAXIMUM | | OVERALL DIAMETER | 1.813 INCHES MINIMUM AND 1.875 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | WASHER,FLAT; STEEL; CADMIUM PLATED; 1.594 IN. MAX O/A PERIPHERAL DIA,1.344 IN. MAX CENTER HOLE DIA, 0.063 IN. MAX CROSS-SECT THK | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.032 INCHES MINIMUM AND 0.094 INCHES MAXIMUM |
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