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.
Classification: Washers other than lock washers, iron or steel
NSN 4140-01-334-8049
NSN 5915-01-424-0767
NSN 6220-01-210-5132
NSN 5950-01-161-9695
NSN 6105-01-555-8995
NSN 5935-01-110-1753
NSN 5920-01-552-8184
NSN 6135-01-244-5580
NSN 5945-00-756-0455
NSN 5965-01-547-0134
NSN 5998-01-435-5103
NSN 6135-01-077-5705