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National Stock Number:
5310-00-543-4739
Federal Supply Class:
5310
National Item Identification Number:
005434739
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:
| CVC754-164D17 | 80378 | TRIUMPH AEROSTRUCTURES, LLC | | S124682-4D16-3 | 0TSU7 | MOEN GILBERT H CO | | S124682-4D16-3 | 10630 | ANILLO INDUSTRIES LLC | | S124682-4D16-3 | 70265 | ALL POWER MANUFACTURING CO. | | S124682-4D16-3 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.266 INCHES NOMINAL | | OVERALL DIAMETER | 1.000 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 ALLOY 20249 FED SPEC 1ST MATERIAL RESPONSE OR ECL-33,BENDIX CORP FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CVA9-4 MFR REF 1ST TREATMENT RESPONSE OR CVA9-18 80378 MFR REF 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OR CHROMATE OVERALL | | THICKNESS | 0.025 INCHES NOMINAL |
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