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 6610-00-269-4506
NSN 2925-01-545-2717
NSN 6685-00-996-8899
NSN 5835-01-124-2942
NSN 6130-00-100-0175
NSN 6620-01-025-1443
NSN 5975-01-472-2194
NSN 5910-01-631-4352
NSN 6320-01-280-4150
NSN 5985-01-444-5393
NSN 6240-01-476-5776
NSN 2925-01-149-2865