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 6105-01-609-4646
NSN 5999-01-229-3091
NSN 6685-00-150-7080
NSN 5905-01-391-5673
NSN 6620-00-182-7638
NSN 4140-00-170-5152
NSN 6645-01-588-8437
NSN 5835-01-128-9331
NSN 5998-01-550-6300
NSN 2925-01-175-1217
NSN 5855-01-485-3429
NSN 5915-01-415-8987