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 5935-01-389-3701
NSN 7035-00-420-1310
NSN 5996-01-644-9864
NSN 5985-00-873-9293
NSN 5915-01-301-4408
NSN 6610-00-225-9886
NSN 5915-01-260-9432
NSN 6135-00-087-5300
NSN 5985-01-473-9984
NSN 6150-00-730-2607
NSN 5945-00-446-6197
NSN 6105-00-205-0655