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 6685-01-013-6499
NSN 5910-00-490-3633
NSN 5998-00-925-2992
NSN 4140-01-232-0537
NSN 5950-01-004-0441
NSN 5965-01-170-5705
NSN 5965-01-485-0018
NSN 5895-00-228-6482
NSN 5975-01-116-8979
NSN 5935-01-509-7769
NSN 5965-00-954-3011
NSN 6130-01-157-9307