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National Stock Number:
5310-01-267-6692
Federal Supply Class:
5310
National Item Identification Number:
012676692
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:
| 16-900-5 | 15605 | EATON CORP OPNS & TECHNICAL CENTER | | 5613-50-31 | 86928 | SEASTROM MANUFACTURING CO INC | | 755090A0158-1 | 73801 | GREENE RUBBER CO INC | | 755090A0158-1 | 87990 | QUARTERMASTER GENERAL |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.440 INCHES MINIMUM AND 0.480 INCHES MAXIMUM | | OVERALL DIAMETER | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-6855,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-R-3065,TY SC MIL SPEC SINGLE MATERIAL RESPONSE OR ASTM D2000,TY BE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER CHLOROPRENE CLASS CR OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.025 INCHES MINIMUM AND 0.051 INCHES MAXIMUM |
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