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 5950-01-408-8276
NSN 5915-01-348-6612
NSN 6130-01-449-1178
NSN 6685-00-691-4119
NSN 5960-00-460-4065
NSN 6220-00-352-6476
NSN 5835-00-422-1441
NSN 6650-01-071-1234
NSN 6650-01-051-7962
NSN 5855-01-454-1538
NSN 6650-00-629-8027
NSN 5855-00-252-5743