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 6105-01-650-3831
NSN 5935-01-397-0734
NSN 5990-00-473-1809
NSN 5910-00-013-2354
NSN 6220-01-331-0889
NSN 5930-01-539-6279
NSN 5965-01-633-8849
NSN 6240-01-307-0269
NSN 5915-01-350-2407
NSN 6610-01-400-3880
NSN 6685-01-279-1994
NSN 6645-01-553-1975