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 5998-00-683-1333
NSN 7035-01-471-3398
NSN 5920-01-461-3582
NSN 6610-00-909-6218
NSN 6620-01-194-2626
NSN 5905-01-107-7773
NSN 5915-01-358-8955
NSN 5910-01-524-5432
NSN 6610-01-155-2661
NSN 6610-01-633-8931
NSN 6220-00-761-9520
NSN 5895-01-109-6580