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 5998-00-161-6288
NSN 5905-01-154-9259
NSN 6645-01-444-3016
NSN 6105-01-656-6348
NSN 5996-01-224-5515
NSN 6610-00-991-0770
NSN 6620-00-147-6034
NSN 5930-01-019-4504
NSN 6685-01-211-2141
NSN 5895-01-020-4380
NSN 5945-00-768-2866
NSN 6220-00-706-7477