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 5985-01-623-9906
NSN 5965-00-181-0213
NSN 5920-01-335-8928
NSN 5920-01-351-0366
NSN 5835-00-475-8739
NSN 5915-00-342-9261
NSN 5930-00-325-4183
NSN 5996-00-683-5176
NSN 6645-01-572-7175
NSN 5915-00-153-0002
NSN 5925-00-112-3460
NSN 2925-00-073-9375