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National Stock Number:
5310-00-080-7899
Federal Supply Class:
5310
National Item Identification Number:
000807899
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:
| 02-13705 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.845 INCHES MINIMUM AND 0.847 INCHES MAXIMUM | | OVERALL DIAMETER | 1.251 INCHES MINIMUM AND 1.271 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-282 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | COUNTERSINK 0.005 TO 0.010 BY 45 DEG BOTH SIDES FULL RADIUS ON OUTSIDE PERIPHERY | | SURFACE TREATMENT | ANODIZE OVERALL | | THICKNESS | 0.073 INCHES MINIMUM AND 0.074 INCHES MAXIMUM |
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