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 6320-00-194-4252
NSN 6685-01-143-4898
NSN 5999-00-269-5320
NSN 5985-01-441-9500
NSN 6220-00-149-0977
NSN 6110-01-272-7073
NSN 6320-00-228-5678
NSN 4140-01-422-2056
NSN 6620-00-863-4639
NSN 5996-01-422-8103
NSN 7035-00-973-9215
NSN 5985-01-471-7581