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National Stock Number:
5310-00-152-5214
Federal Supply Class:
5310
National Item Identification Number:
001525214
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:
| 7974676 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| OVERALL DIAMETER | 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM | | SPECIAL FEATURES | MATERIAL IS ANY STEEL 1009 THROUGH 1020 EXCEPT 1013 OR 1014;SURFACE TREATMENT IS CADMIUM AND ZINC LOCATION IS MISSING;SURFACE TREATMENT DOCUMENT IS QQ-P-416 AND QQ-Z-325 TYPE 2 CLASS 2 | | THICKNESS | 0.106 INCHES NOMINAL |
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