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 6610-01-269-5437
NSN 6130-00-554-7852
NSN 5925-01-174-0335
NSN 5960-01-376-3880
NSN 6110-01-436-9133
NSN 5945-01-146-5464
NSN 5960-00-434-3193
NSN 5895-01-288-5515
NSN 5960-00-371-6963
NSN 6130-00-273-1111
NSN 5935-00-287-5069
NSN 2925-00-730-3115