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National Stock Number:
5310-00-684-7767
Federal Supply Class:
5310
National Item Identification Number:
006847767
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:
| 1548478 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 55J752SUB2PC13 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 6301-3102296PC13 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | S6135-20184-2 | 54878 | ROTAIR AEROSPACE CORP | | S6135-20184-2 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | BLACK OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 2.000 INCHES NOMINAL | | OVERALL DIAMETER | 2.342 INCHES MINIMUM AND 2.344 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4720 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 100.0 MICROINCHES ALL SURFACES | | SURFACE TREATMENT | OXIDE FILM OVERALL | | THICKNESS | 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
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