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 2925-01-531-3400
NSN 5835-01-209-6410
NSN 5960-00-492-2502
NSN 6620-01-216-8082
NSN 6220-01-088-6604
NSN 5895-01-443-6066
NSN 5950-01-157-9482
NSN 5965-01-104-5102
NSN 5945-01-252-3959
NSN 5965-01-332-9825
NSN 5935-00-909-3568
NSN 6135-01-593-9256