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National Stock Number:
5310-00-789-0961
Federal Supply Class:
5310
National Item Identification Number:
007890961
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:
| 13206E0166 | 81336 | CHIEF OF ENGINEERS DEPT OF ARMY | | 13206E0166 | 97403 | CECOM LR CENTER | | ERNG270 | 02978 | RENK AMERICA LLC | | ERNG270 | 81336 | CHIEF OF ENGINEERS DEPT OF ARMY |
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Techincal Specification:
| MATERIAL | STEEL COMP 1010 OR | | STEEL COMP 1011 OR | | STEEL COMP 1012 OR | | STEEL COMP 1013 OR | | STEEL COMP 1015 OR | | STEEL COMP 1016 OR | | STEEL COMP 1017 OR | | STEEL COMP 1018 OR | | STEEL COMP 1019 OR | | STEEL COMP 1020 OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.469 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.125 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.031 INCHES NOMINAL |
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