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: Copper washers including spring washers not threaded
NSN 2925-00-288-1394
NSN 5998-01-512-1243
NSN 6650-00-432-2358
NSN 6135-01-466-3980
NSN 5965-01-415-2898
NSN 5915-00-838-4934
NSN 6620-01-587-5230
NSN 5965-01-629-4641
NSN 5925-01-470-3321
NSN 6110-01-065-3716
NSN 6685-01-423-1064
NSN 5996-01-202-9338