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 5945-00-450-5928
NSN 6685-00-146-2308
NSN 2925-00-017-0526
NSN 5835-01-459-8664
NSN 5960-01-354-0762
NSN 5855-01-233-2767
NSN 6220-01-484-6067
NSN 6610-01-633-8931
NSN 5835-01-477-0137
NSN 5999-01-297-6042
NSN 6610-01-409-1781
NSN 6685-01-236-3031