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 5990-00-920-2894
NSN 5950-01-519-8947
NSN 5855-01-448-0695
NSN 6135-00-299-6918
NSN 5920-01-426-6666
NSN 5855-01-550-5219
NSN 5915-00-177-3460
NSN 2925-01-656-8217
NSN 5950-01-352-0960
NSN 5855-01-578-6742
NSN 5915-00-441-0923
NSN 6240-01-397-8713