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 5990-00-623-8127
NSN 5965-00-942-1602
NSN 7035-01-485-2134
NSN 6150-01-140-7507
NSN 5835-01-199-5902
NSN 6135-00-100-8890
NSN 4140-00-862-5644
NSN 5930-01-364-0943
NSN 5996-01-269-5738
NSN 4140-01-310-3330
NSN 5965-00-439-6287
NSN 5965-00-465-9566