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 5990-01-487-0871
NSN 5905-00-269-5452
NSN 5945-01-555-1546
NSN 5920-00-063-0505
NSN 6620-01-583-8155
NSN 5915-01-117-7804
NSN 5945-01-504-9722
NSN 5855-00-896-4047
NSN 6145-01-023-2011
NSN 5996-01-469-6479
NSN 6240-01-152-2662
NSN 5925-01-151-1448