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National Stock Number:
5310-00-167-0739
Federal Supply Class:
5310
National Item Identification Number:
001670739
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:
| 01496 | 75547 | LAWRENCE AERONAUTICAL CORP | | 10087987 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 12906-36 | 98897 | LOCKHEED MARTIN CORP | | 2411396 | 001JK | EMBRAER S.A. DBA EMBRAER | | 2411396 | FB459 | EMBRAER AVIATION INTERNATIONAL | | 2411396 | S4956 | EMBRAER EMPRESA BRASILEIRA DE AERONAUTICA SA | | 43126-506-3 | 94756 | THE BOEING COMPANY | | 5310PL0715183 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 8807935 | 19203 | PICATINNY ARSENAL | | AN960-8D | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN960D8 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM | | OVERALL DIAMETER | 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM |
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