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National Stock Number:
5310-01-068-2969
Federal Supply Class:
5310
National Item Identification Number:
010682969
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:
| 989C639H01 | 18323 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 989C639H01 | 8T119 | G M J MACHINE CO, INC | | LWNY-001BK | 33604 | EXCELITAS TECHNOLOGIES CORP | | NW4-2812 | 85480 | BRADY UNITED STATES | | NW4-2812 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | BLACK OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.118 INCHES MINIMUM AND 0.123 INCHES MAXIMUM | | OVERALL DIAMETER | 0.279 INCHES MINIMUM AND 0.286 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYAMIDE OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM |
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