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 5935-01-186-0284
NSN 6610-01-055-0468
NSN 6620-01-149-9192
NSN 6610-00-072-8608
NSN 5945-00-753-9730
NSN 5915-01-009-6400
NSN 5905-01-654-2659
NSN 6150-00-418-8498
NSN 5996-00-343-4411
NSN 6105-00-709-8811
NSN 5915-01-590-1575
NSN 5910-00-274-2208