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 6220-01-460-0180
NSN 5930-01-384-6015
NSN 5915-01-327-2795
NSN 6650-00-552-8377
NSN 6135-01-100-3593
NSN 6320-00-646-3311
NSN 2925-00-588-5592
NSN 6685-01-052-7482
NSN 5996-00-376-5442
NSN 6110-01-423-8880
NSN 5920-01-537-3998
NSN 5835-01-524-2742