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 5910-01-567-5232
NSN 5975-01-578-2066
NSN 6610-01-287-0123
NSN 5855-01-038-2189
NSN 6135-00-351-8606
NSN 5935-01-434-2166
NSN 5920-01-613-5202
NSN 4140-01-657-7974
NSN 5975-01-253-7061
NSN 7035-01-350-4247
NSN 5960-01-058-4455
NSN 5960-00-147-0519