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 6240-01-113-2396
NSN 6610-00-682-6215
NSN 6620-01-633-8443
NSN 5925-00-006-1305
NSN 5996-00-691-6554
NSN 6135-00-248-4102
NSN 2925-00-441-8252
NSN 5915-01-523-0164
NSN 6145-00-357-5010
NSN 5935-01-289-8668
NSN 6135-00-628-1142
NSN 5996-01-242-8347