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National Stock Number:
5310-01-417-7332
Federal Supply Class:
5310
National Item Identification Number:
014177332
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:
| 4397005-064 | 076M6 | AMZ ALABAMA INC. | | 4397005-064 | 54786 | BAE SYSTEMS LAND & ARMAMENTS L.P. | | 4397005-064 | 6W728 | BAE SYSTEMS SURVIVABILITY SYSTEMS LLC |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, TYI ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.271 INCHES MINIMUM AND | | 0.281 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.745 INCHES MINIMUM AND | | 0.755 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.115 INCHES MINIMUM AND | | 0.125 INCHES MAXIMUM |
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