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 5895-00-405-2473
NSN 6320-00-882-7061
NSN 5950-01-651-9898
NSN 6685-01-528-6345
NSN 5990-01-559-0578
NSN 5905-01-512-1898
NSN 5960-01-094-9540
NSN 5935-00-339-2189
NSN 4140-01-242-0295
NSN 7035-00-126-1899
NSN 6130-01-613-5011
NSN 5950-01-548-7141