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 6110-01-609-0548
NSN 5975-00-807-9527
NSN 5999-01-645-1521
NSN 6320-01-425-1417
NSN 5960-00-296-1530
NSN 6220-01-641-7684
NSN 5835-01-034-1255
NSN 5999-00-616-1236
NSN 5960-01-395-9834
NSN 6620-01-122-0238
NSN 5930-00-460-5078
NSN 6130-01-409-2867