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 6645-01-282-3624
NSN 5920-01-490-2733
NSN 5835-01-416-6449
NSN 5915-00-652-9095
NSN 5999-01-282-7829
NSN 6645-01-620-4837
NSN 2925-00-188-5003
NSN 5905-01-366-0322
NSN 6145-01-486-1913
NSN 6150-01-447-3266
NSN 5915-00-553-8755
NSN 5996-00-007-1378