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National Stock Number:
5310-01-472-7216
Federal Supply Class:
5310
National Item Identification Number:
014727216
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:
| 4397005-076 | 076M6 | AMZ ALABAMA INC. | | 4397005-076 | 54786 | BAE SYSTEMS LAND & ARMAMENTS L.P. | | 4397005-076 | 6W728 | BAE SYSTEMS SURVIVABILITY SYSTEMS LLC | | 4397005-76 | 6W728 | BAE SYSTEMS SURVIVABILITY SYSTEMS LLC |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASMEB-18.22.1 ASSN STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTMB663 TYPE I ASSN STD ALL TREATMENT RESPONSES OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.307 INCHES MINIMUM AND | | 0.327 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.670 INCHES MINIMUM AND | | 0.690 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.051 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM |
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