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 6240-01-153-2861
NSN 5985-00-253-4708
NSN 5998-00-659-9533
NSN 6135-00-009-4100
NSN 5855-00-951-6483
NSN 5985-00-387-5974
NSN 6145-01-606-9113
NSN 5998-01-174-4433
NSN 6145-01-432-1198
NSN 5998-01-657-1241
NSN 4140-00-805-0988
NSN 5999-01-076-8371