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National Stock Number:
5310-00-470-5458
Federal Supply Class:
5310
National Item Identification Number:
004705458
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:
| 339D827H47 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 70-730030-1 | 07397 | GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS | | LWNY-004BL | 85480 | BRADY UNITED STATES | | NW4-2815BLACK | 85480 | BRADY UNITED STATES | | NW875 | 92219 | TATTNALL COUNTY OF DBA TATTNALL COUNTY SHERIFFS OFFICE |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | BLACK OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | OVERALL DIAMETER | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693 TY 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
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