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: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 5950-01-634-0677
NSN 6610-01-641-4191
NSN 5915-01-206-4951
NSN 5895-01-438-5801
NSN 5930-01-268-5289
NSN 6110-01-397-4461
NSN 6145-01-264-7232
NSN 4140-01-503-3160
NSN 5930-01-645-6087
NSN 6650-01-450-0790
NSN 5930-01-127-9438
NSN 5950-00-135-0431