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 5920-01-510-2137
NSN 6110-01-081-5298
NSN 5855-00-688-9954
NSN 6105-00-229-7030
NSN 5950-01-525-6880
NSN 6135-00-897-8666
NSN 6150-00-877-3954
NSN 5996-01-295-6499
NSN 5910-00-205-2430
NSN 6130-01-119-8162
NSN 6685-01-365-3798
NSN 5930-01-526-5494