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National Stock Number:
5310-00-791-8487
Federal Supply Class:
5310
National Item Identification Number:
007918487
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:
| AN960-816L | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN960-816L | A0170 | LEONARDO SPA AEROSTRUCTURE DIVISION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DEPARTURE FROM CITED DESIGNATOR | PART NO. AN960-8L6L ASMODIFIED BY REPLY TO SPECIAL FEATURES | | HOLE DIAMETER | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM | | OVERALL DIAMETER | 0.875 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | FLEET BALLISTIC MISSILE QUALITY,ASIDENTIFIED BY QUALITY CONTROL NO. POSO 900805 | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.032 INCHES NOMINAL |
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