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 4140-01-220-7697
NSN 5905-01-378-8473
NSN 6320-01-310-8068
NSN 5915-01-410-7822
NSN 6320-01-462-2295
NSN 5975-01-441-9221
NSN 6220-01-297-6149
NSN 6110-00-156-6468
NSN 6620-01-528-7510
NSN 5975-01-091-6264
NSN 5998-01-553-6144
NSN 5935-01-302-1771