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National Stock Number:
5310-00-722-5943
Federal Supply Class:
5310
National Item Identification Number:
007225943
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:
| 93211009 | 19333 | MAGNETIC PERIPHERALS INC NORMANDALE OPNS SUB OF CONTROL DATA CORP | | AN960-10 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN960-10 | 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. AN960-10 ASMODIFIED BY REPLY TO SPECIAL FEATURES | | HOLE DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | OVERALL DIAMETER | 0.438 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | FLEET BALLISTIC MISSILE QUALITY,AS IDENTIFIED BY QUALITY CONTROL NO POSO 912872 | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.064 INCHES NOMINAL |
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