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National Stock Number:
5310-00-247-8649
Federal Supply Class:
5310
National Item Identification Number:
002478649
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:
| 7368011 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 752384 | 23382 | FWD SEAGRAVE HOLDINGS LP | | UB1014H | 05444 | HAMILTON TRAILER CO INC | | UB1014 | 56697 | STANDARD FORGE AND AXLE CO INC | | 844-5231-46-1 | 81336 | CHIEF OF ENGINEERS DEPT OF ARMY |
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Techincal Specification:
| MATERIAL | WOOL COMP 12R3 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | C-F-206,TYPE 1,CL 12R3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 1.438 INCHES MINIMUM AND | | 1.500 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.969 INCHES MINIMUM AND | | 2.031 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.157 INCHES MINIMUM AND | | 0.219 INCHES MAXIMUM |
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