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 5895-00-952-3032
NSN 5945-00-681-9933
NSN 6135-00-351-8606
NSN 5855-01-110-9564
NSN 5950-01-274-5139
NSN 5915-01-390-8296
NSN 5990-01-209-3955
NSN 6650-01-266-6701
NSN 5999-00-359-7853
NSN 6145-00-369-3880
NSN 6145-00-859-2522
NSN 6645-01-644-8376