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 5999-00-004-6442
NSN 5835-00-013-9271
NSN 5975-00-081-5247
NSN 5996-00-289-9847
NSN 6620-01-212-4298
NSN 5915-00-518-0851
NSN 5945-01-238-5291
NSN 5998-01-235-2906
NSN 6685-01-647-5983
NSN 5965-00-926-2591
NSN 6135-01-408-0313
NSN 5960-00-519-4766