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 5895-00-110-8649
NSN 5920-00-333-1819
NSN 6320-01-243-2276
NSN 5996-00-160-1772
NSN 6220-01-232-4744
NSN 6110-01-472-1963
NSN 5910-01-239-7370
NSN 6145-01-142-0068
NSN 6645-01-387-2063
NSN 4140-01-571-7913
NSN 5996-01-631-3420
NSN 5965-01-154-6319