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 5855-00-288-1408
NSN 5990-01-076-8901
NSN 5835-01-241-1090
NSN 5975-01-017-2738
NSN 2925-00-474-4990
NSN 6135-01-412-0097
NSN 5998-01-578-6316
NSN 6610-00-563-9707
NSN 6685-01-529-4480
NSN 2925-01-541-5031
NSN 6650-01-545-4351
NSN 6150-01-513-6213