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 5999-01-361-2497
NSN 5945-01-589-0407
NSN 5915-00-150-4694
NSN 5998-01-472-1965
NSN 5945-01-056-4142
NSN 6130-00-373-1757
NSN 5925-00-525-4037
NSN 6620-01-266-8894
NSN 5960-01-278-9394
NSN 6685-01-030-0557
NSN 5920-01-576-1785
NSN 5915-01-562-1664