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 5910-00-686-6128
NSN 2925-01-446-6976
NSN 5895-01-409-2949
NSN 5990-01-243-4233
NSN 6145-01-379-2695
NSN 5960-01-241-1844
NSN 5985-01-450-8230
NSN 6620-00-104-6937
NSN 6220-01-388-2269
NSN 5996-01-251-4900
NSN 5905-01-321-0263
NSN 5855-00-688-9954