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National Stock Number:
5310-01-155-7687
Federal Supply Class:
5310
National Item Identification Number:
011557687
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:
| 13214E0119 | 97403 | CECOM LR CENTER |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM | | OVERALL DIAMETER | 0.865 INCHES MINIMUM AND 0.895 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM 569 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1009 OR ALUMINUM ALLOY 6061 OVERALL | | SPECIAL FEATURES | ALUMINUM ALLOY,T/6 | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 1 ASSN STD 1ST TREATMENT RESPONSE OR MIL-A-8625 TY 1,CL 1 ASSN STD 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR ANODIZE OVERALL | | THICKNESS | 0.032 INCHES NOMINAL |
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