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 5910-00-147-7296
NSN 5855-00-079-2370
NSN 5920-01-510-9921
NSN 6620-01-200-6493
NSN 6110-00-617-0574
NSN 5855-01-297-1886
NSN 5999-01-660-6479
NSN 5945-01-182-2460
NSN 6105-00-519-2983
NSN 5920-01-363-1426
NSN 5999-01-041-3794
NSN 5925-01-592-3077