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National Stock Number:
5310-01-623-8513
Federal Supply Class:
5310
National Item Identification Number:
016238513
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:
| 10086467 | 05606 | GENERAL DYNAMICS-OTS, INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F436M, TYPE 1, ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, FLAT | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM F1941M, TYPE 8DT,ELECTRODEPOSITED ZINC, HEXAVALENT CHROMIUM FREE ASSN STD SINGLE TREATMENT RESPONSE OR ASTM B633, SC 2,TYPE VI, ELECTRODEPOSITED ZINC, HEXAVALENT CHROMIUM FREE ASSN STD SINGLE TREATMENT RESPONSE OR ASTM F1137, GRADE 111, ZINC PHOSPHATE WITH ZINC RICH EPOXY RESIN, OLIVE DRAB COLOR ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL |
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