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 5895-01-284-7278
NSN 5960-01-453-6170
NSN 5935-01-519-6982
NSN 6135-01-340-7883
NSN 6150-01-490-4658
NSN 6220-01-539-2261
NSN 5985-01-329-9182
NSN 5945-01-376-0203
NSN 6110-00-901-8215
NSN 7035-01-445-3563
NSN 6685-01-083-8242
NSN 5895-01-399-0240