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: Copper washers including spring washers not threaded
NSN 6135-00-243-5048
NSN 5985-00-468-7361
NSN 5960-01-313-0681
NSN 6610-00-561-9381
NSN 6150-01-050-8268
NSN 5920-00-422-5381
NSN 5999-01-518-0671
NSN 6105-00-159-7801
NSN 5905-00-541-1471
NSN 7035-01-574-6363
NSN 5915-00-490-6424
NSN 5990-01-400-3299