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National Stock Number:
5310-01-551-8715
Federal Supply Class:
5310
National Item Identification Number:
015518715
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:
| SM-C-949864-6 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | BLANK RECTANGULAR | | HOLE DIAMETER | 2.870 INCHES NOMINAL | | OVERALL DIAMETER | 3.370 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | END ITEM: OE-371(V)/G ANTENNA GROUP, MATERIAL IS CRES STEEL TYPE 304,PER QQ-S-766.ITEM IS ALSO A HARDNESS CRITICAL ITEM. | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | THICKNESS | 0.620 INCHES NOMINAL |
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