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National Stock Number:
5310-00-913-1343
Federal Supply Class:
5310
National Item Identification Number:
009131343
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:
| 63B52055-9 | 98750 | SAN ANTONIO AIR LOGISTICS CENTER | | 63B52055-9 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 1.031 INCHES MINIMUM AND | | 1.093 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.531 INCHES MINIMUM AND | | 1.593 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.032 INCHES MINIMUM AND | | 0.094 INCHES MAXIMUM | | SPECIAL FEATURES | WASHER,FLAT; STEEL; CADMIUM; 1.531 IN. MIN,1.593 IN. MAX PERIPHERAL O/A DIA; 1.031 IN. MIN,1.093 IN. MAX CENTER HOLE DIA; 0.032 IN. MIN,0.094 IN. MAX CROSS SECT THK |
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