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National Stock Number:
5310-00-680-5647
Federal Supply Class:
5310
National Item Identification Number:
006805647
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:
| 56A23568 | 80049 | DEPARTMENT OF THE AIR FORCE | | 56A23568 | 98750 | SAN ANTONIO AIR LOGISTICS CENTER | | 63B52570-7 | 0ZLV2 | GSE PRODUCTION AND SUPPORT LLC | | 63B52570-7 | 98296 | STANDARD MFG CO INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM | | OVERALL DIAMETER | 1.373 INCHES MINIMUM AND 1.377 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1213 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 63.0 MICROINCHES INNER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
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