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 6620-01-554-3987
NSN 5915-00-925-2513
NSN 6220-00-643-4045
NSN 5999-01-148-1103
NSN 5910-01-167-1583
NSN 6130-01-160-6610
NSN 5985-00-486-0224
NSN 5855-00-481-0019
NSN 5965-01-024-7960
NSN 5945-00-379-4660
NSN 5965-01-494-6829
NSN 5998-00-007-5499