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 5920-01-437-5623
NSN 5990-01-425-2175
NSN 5965-00-497-8820
NSN 5935-00-389-7160
NSN 5960-00-467-7400
NSN 5945-01-123-2598
NSN 5910-01-244-3806
NSN 5835-00-754-7255
NSN 6150-01-550-0820
NSN 6240-01-573-7036
NSN 6110-01-151-4849
NSN 2925-00-999-8967