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: Copper washers including spring washers not threaded
NSN 6135-01-338-8969
NSN 6130-00-938-9361
NSN 5975-01-036-7523
NSN 5905-00-389-6252
NSN 5935-00-838-6897
NSN 2925-01-254-3068
NSN 5999-01-502-6911
NSN 6110-01-588-4600
NSN 6620-01-524-9112
NSN 6105-00-844-1267
NSN 6685-00-568-8920
NSN 2925-00-494-5537