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National Stock Number:
5310-00-167-0754
Federal Supply Class:
5310
National Item Identification Number:
001670754
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:
| 10087991 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 5310PL0715185 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 5310PL1772192 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 8812817 | 19203 | PICATINNY ARSENAL | | AN960D416L | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN960D416L | K0668 | LEONARDO UK LTD | | ASNA2397D416L | F6198 | AIRBUS OPERATIONS |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HEAT TREATMENT | T-3 SOLUTION HEAT TREATED, COLD WORKED | | HOLE DIAMETER | 0.265 INCHES NOMINAL | | OVERALL DIAMETER | 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-362 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM |
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