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 6130-01-166-4009
NSN 7035-01-649-0424
NSN 6130-01-201-0664
NSN 5855-01-158-2709
NSN 6610-01-568-8732
NSN 5905-01-185-2195
NSN 6650-00-161-4122
NSN 6110-01-332-3644
NSN 5998-01-023-8873
NSN 5945-01-219-4884
NSN 5855-01-451-1163
NSN 6110-00-418-9363