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 6220-01-462-5886
NSN 6645-01-123-9277
NSN 5895-01-104-3815
NSN 6145-01-630-4266
NSN 5935-01-264-7344
NSN 5910-01-527-4747
NSN 6685-00-113-1888
NSN 5945-00-180-8374
NSN 5925-00-636-5683
NSN 5835-01-412-0344
NSN 4140-01-414-7093
NSN 6130-01-295-5977