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 5998-00-152-8372
NSN 6650-01-074-8232
NSN 5975-01-440-4629
NSN 5985-00-279-4956
NSN 5930-01-396-7938
NSN 5975-01-509-8370
NSN 5945-01-472-8713
NSN 2925-00-759-5465
NSN 5855-00-560-0110
NSN 5910-00-764-4627
NSN 6150-01-420-5300
NSN 5855-01-103-8650