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National Stock Number:
5310-00-191-3933
Federal Supply Class:
5310
National Item Identification Number:
001913933
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:
| 10108962-3 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 10116661 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 4M36-02051 | 76301 | THE BOEING COMPANY | | FF-W-92 TYAGR1CLD | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | FFW92A | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | S124682-4D20-6 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | OVERALL DIAMETER | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/5,TEMP 3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/5,TEMP 4 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/4,TEMP 3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/6,TEMP 4 FED SPEC SINGLE MATERIAL RESPONSE OR WW-T-700/3,TEMP 6,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OR ANODIZE OVERALL | | THICKNESS | 0.064 INCHES NOMINAL |
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