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 6110-00-480-4827
NSN 5925-01-535-7870
NSN 5920-01-190-0265
NSN 5910-01-418-0270
NSN 6150-01-469-5924
NSN 6650-00-027-2608
NSN 5935-01-012-9420
NSN 4140-01-345-7808
NSN 5920-01-364-1335
NSN 6320-01-300-7994
NSN 5960-00-275-7497
NSN 6620-01-633-8443