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 5960-00-070-4399
NSN 5945-01-359-4092
NSN 5915-01-377-5033
NSN 6650-00-618-1118
NSN 5985-01-477-2657
NSN 6220-01-546-4863
NSN 6150-01-407-3338
NSN 6240-01-605-4455
NSN 5935-01-303-6863
NSN 5915-00-070-1850
NSN 5910-01-308-0665
NSN 5999-01-372-9605