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: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5990-01-649-0635
NSN 5985-01-502-9598
NSN 6650-01-557-1080
NSN 4140-01-462-2487
NSN 5996-01-071-6441
NSN 5985-00-155-8308
NSN 5935-00-597-3610
NSN 5930-01-145-4520
NSN 6620-01-325-6295
NSN 5945-00-737-3195
NSN 5895-01-302-5819
NSN 5985-01-634-0635