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National Stock Number:
5310-01-166-6682
Federal Supply Class:
5310
National Item Identification Number:
011666682
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:
| 2124800-0003 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM | | HEAT TREATMENT | COLD FINISH | | HOLE DIAMETER | 0.154 INCHES MINIMUM AND 0.169 INCHES MAXIMUM | | OVERALL DIAMETER | 0.244 INCHES MINIMUM AND 0.249 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1070 OR STEEL COMP 1065 OR STEEL COMP 1074 OR STEEL COMP 1085 OR STEEL COMP 1095 OR STEEL COMP 6150 OR STEEL COMP 8660 OR STEEL COMP 9260 OR STEEL COMP 9262 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THICKNESS | 0.019 INCHES MINIMUM AND 0.029 INCHES MAXIMUM |
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