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 5965-00-424-9636
NSN 6130-01-040-0933
NSN 4140-00-753-9204
NSN 5895-00-475-9474
NSN 6150-00-296-2361
NSN 5996-00-167-7441
NSN 5999-01-361-8950
NSN 5855-01-455-0254
NSN 6220-01-054-2804
NSN 5895-01-552-3163
NSN 5998-01-535-0812
NSN 6145-00-931-8420