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National Stock Number:
5310-01-040-4745
Federal Supply Class:
5310
National Item Identification Number:
010404745
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:
| JYLC811 | 05624 | GE AVIATION SYSTEMS LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | BLACK OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 62.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.438 INCHES MINIMUM AND 0.444 INCHES MAXIMUM | | OVERALL DIAMETER | 0.938 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1095 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 32.0 MICROINCHES BOTTOM | | SURFACE FINISH | 32.0 MICROINCHES TOP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE FILM OVERALL | | THICKNESS | 0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM |
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