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 2925-01-554-3650
NSN 6135-00-276-7625
NSN 6220-01-026-2424
NSN 6610-01-022-2474
NSN 5930-01-444-7889
NSN 5996-00-716-4648
NSN 5930-00-623-8273
NSN 5965-01-057-7093
NSN 6105-00-349-4197
NSN 5910-01-357-8415
NSN 5930-01-236-2992
NSN 5960-01-485-7532