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National Stock Number:
5310-00-995-8377
Federal Supply Class:
5310
National Item Identification Number:
009958377
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:
| 66-17692-1 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM | | OVERALL DIAMETER | 0.670 INCHES MINIMUM AND 0.690 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | -AMS 4640 ASSN STD 1ST MATERIAL RESPONSE OR -MIL-B-6946 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 630 OR COPPER ALLOY OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.057 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
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