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National Stock Number:
5310-01-125-9031
Federal Supply Class:
5310
National Item Identification Number:
011259031
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:
| 13211E8165-1 | 97403 | CECOM LR CENTER |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | OLIVE DRAB OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HEAT TREATMENT | H-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD | | HOLE DIAMETER | 0.406 INCHES NOMINAL | | OVERALL DIAMETER | 1.750 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 5086 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | COLOR OLIVE DRAB FED-STD-595 NO. 24087 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-E-529 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ENAMEL SEMIGLOSS OVERALL | | THICKNESS | 0.125 INCHES NOMINAL |
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