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National Stock Number:
5310-01-597-3304
Federal Supply Class:
5310
National Item Identification Number:
015973304
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:
| 3000064 | 80212 | BAE SYSTEMS LAND & ARMAMENTS L.P. | | 3000064-34 | 076M6 | AMZ ALABAMA INC. | | 3000064-34 | 80212 | BAE SYSTEMS LAND & ARMAMENTS L.P. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | HARDNESS RATING | 38.0 ROCKWELL C NOMINAL | | HOLE DIAMETER | 0.281 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OVERALL | | III HEAT TREATMENT | QUENCHED AND TEMPERED | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER FLAT, STEAL HARDENED SPECIAL PURPOSE | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.625 INCHES NOMINAL | | THICKNESS | 0.89 INCHES NOMINAL |
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