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National Stock Number:
5310-00-476-4515
Federal Supply Class:
5310
National Item Identification Number:
004764515
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:
| 876916-00 | 32345 | DEFENSE REDUCTION AGENCY | | LWNY-025NA | 85480 | BRADY UNITED STATES | | NW25-6876 | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV | | NW25-6876 | 85480 | BRADY UNITED STATES |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.260 INCHES MINIMUM AND 0.275 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 101,FSCM 18873 MFR REF 1ST MATERIAL RESPONSE AND MIL-M-20693 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | OVERALL DIAMETER | 0.683 INCHES MINIMUM AND 0.703 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYAMIDE (NYLON) OR PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.054 INCHES MINIMUM AND 0.066 INCHES MAXIMUM |
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