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National Stock Number:
5310-01-155-2548
Federal Supply Class:
5310
National Item Identification Number:
011552548
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:
| 12357805 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 2AG880 | 45152 | OSHKOSH CORP | | DG579 | 58051 | ADAMS RITE MFG. CO. | | 2AG880 | 75Q65 | OSHKOSH DEFENSE LLC |
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Techincal Specification:
| MATERIAL | STEEL COMP 1015 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | STM A108 OR ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | STM B633 TY II, CLASS 5 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HOLE DIAMETER | 0.315 INCHES MINIMUM AND | | 0.334 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.72 INCHES MINIMUM AND | | 0.76 INCHES MAXIMUM | | THICKNESS | 0.22 INCHES NOMINAL |
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