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National Stock Number:
5310-00-236-6478
Federal Supply Class:
5310
National Item Identification Number:
002366478
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:
| 10941915-8 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | B476 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | OVERALL DIAMETER | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-626 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-627 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-626 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-627 FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-624 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-627 FED SPEC 3RD MATERIAL RESPONSE AND QQ-S-624 FED SPEC 4TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.187 INCHES MINIMUM AND 0.201 INCHES MAXIMUM |
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