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National Stock Number:
5310-00-167-4430
Federal Supply Class:
5310
National Item Identification Number:
001674430
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:
| 34D162 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 47.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 52.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.281 INCHES NOMINAL | | OVERALL DIAMETER | 0.635 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1095 OVERALL | | PERIPHERAL SHAPE STYLE | DEE | | WIDTH | 0.580 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
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