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 4140-01-277-1797
NSN 6110-00-925-0480
NSN 5996-01-510-3257
NSN 5960-01-524-8642
NSN 6685-01-170-6764
NSN 5925-00-529-0441
NSN 6620-01-430-9608
NSN 5930-01-588-5454
NSN 4140-01-012-3996
NSN 6610-00-416-6467
NSN 6110-00-205-1778
NSN 5930-01-634-0659