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 5965-00-187-4282
NSN 5950-01-472-2196
NSN 5975-01-512-4825
NSN 6130-00-387-2051
NSN 4140-01-373-8862
NSN 6240-01-280-5347
NSN 5990-01-024-9659
NSN 5930-01-239-8265
NSN 7035-01-062-0184
NSN 6145-01-270-3073
NSN 5915-01-329-4330
NSN 6135-00-686-4777