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 5935-01-130-6008
NSN 5965-01-510-3456
NSN 5895-00-288-5878
NSN 5945-00-833-8948
NSN 4140-01-186-6453
NSN 6685-01-045-6123
NSN 6240-01-101-1323
NSN 6150-01-577-2814
NSN 5905-00-608-7755
NSN 5950-01-137-9121
NSN 6110-01-149-2839
NSN 5910-01-423-9201