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 5996-01-375-1535
NSN 5920-00-262-6152
NSN 4140-01-550-8123
NSN 5975-01-045-7623
NSN 5925-01-295-0612
NSN 5975-01-374-7845
NSN 5905-01-063-5413
NSN 5945-00-015-1536
NSN 5999-01-445-6085
NSN 6320-00-925-0558
NSN 6645-01-224-8973
NSN 5915-01-508-5636