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National Stock Number:
5310-00-849-9047
Federal Supply Class:
5310
National Item Identification Number:
008499047
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:
| 6863324 | 73342 | ALLISON TRANSMISSION INC | | 6863324 | K0680 | ROLLS-ROYCE AIRLINES | | EU18144 | K0680 | ROLLS-ROYCE AIRLINES |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HEAT TREATMENT | O-ANNEALED, RECRYSTALLIZED | | HOLE DIAMETER | 0.447 INCHES MINIMUM AND 0.460 INCHES MAXIMUM | | OVERALL DIAMETER | 0.630 INCHES MINIMUM AND 0.643 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 3003 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
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