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National Stock Number: 5310-00-073-6214
Federal Supply Class: 5310
National Item Identification Number: 000736214
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:
8754379-1 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
MATERIAL | STEEL COMP 8720 OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | CENTER HOLE SHAPE STYLE | ROUND | HOLE DIAMETER | 1.001 INCHES MINIMUM AND | | 1.003 INCHES MAXIMUM | PERIPHERAL SHAPE STYLE | ROUND | OVERALL DIAMETER | 1.440 INCHES NOMINAL | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | THICKNESS | 0.130 INCHES MINIMUM AND | | 0.132 INCHES MAXIMUM | HARDNESS RATING | 80.1 ROCKWELL A NOMINAL | SURFACE FINISH | 32.0 MICROINCHES TOP | | 32.0 MICROINCHES BOTTOM | FEATURES PROVIDED | CASEHARDENED |
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