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 6320-00-225-7013
NSN 5930-00-798-4813
NSN 5945-01-463-2218
NSN 6150-01-316-0026
NSN 6685-00-307-4572
NSN 5998-01-065-1231
NSN 5920-01-170-5997
NSN 6110-00-891-9917
NSN 6220-00-260-0147
NSN 5835-01-447-2544
NSN 4140-01-634-0330
NSN 6220-01-586-0982