5310-01-075-7128 WASHER,FLAT Index 5310-01-075-7131 WASHER,SPLIT

National Stock Number:
5310-01-075-7129

Federal Supply Class:
5310

National Item Identification Number:
010757129

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.


Manufacturer Information:
820-4383415-3853711NAVAL SEA SYSTEMS COMMAND
820-4383466-3953711NAVAL SEA SYSTEMS COMMAND
820-438423753711NAVAL SEA SYSTEMS COMMAND
820-5348568-3853711NAVAL SEA SYSTEMS COMMAND


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