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National Stock Number:
5310-01-057-4995
Federal Supply Class:
5310
National Item Identification Number:
010574995
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:
| 10908642 | 076M6 | BAE SYSTEMS LAND & ARMAMENTS L.P. | | 10908642 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 10908642 | 80212 | BAE SYSTEMS LAND & ARMAMENTS L.P. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | FEATURES PROVIDED | CASEHARDENED | | HOLE DIAMETER | 1.130 INCHES MINIMUM AND 1.140 INCHES MAXIMUM | | OVERALL DIAMETER | 1.995 INCHES MINIMUM AND 2.0005 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-700,COMP 1045 TO 1055 FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THICKNESS | 0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
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