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 5965-01-366-5900
NSN 6685-00-862-1869
NSN 5935-01-399-5361
NSN 6110-00-647-3932
NSN 5998-00-798-4534
NSN 5950-01-393-6437
NSN 5960-00-802-2965
NSN 5996-01-192-7875
NSN 5925-01-236-2197
NSN 5925-00-145-9065
NSN 5998-00-816-9198
NSN 5960-01-641-5493