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 6150-01-290-9942
NSN 5999-01-054-6483
NSN 5960-00-511-1418
NSN 6645-01-227-2036
NSN 5915-01-447-3151
NSN 6685-01-530-6612
NSN 5910-01-418-8800
NSN 5910-01-553-4137
NSN 6240-01-646-3061
NSN 6110-01-252-8516
NSN 6130-01-052-0946
NSN 5990-00-660-8885