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 6650-01-055-6168
NSN 5855-00-494-9581
NSN 5999-01-241-0355
NSN 5920-01-535-6498
NSN 5945-00-466-3748
NSN 6645-01-519-2220
NSN 5965-00-978-8535
NSN 5935-00-493-6521
NSN 5910-01-625-8216
NSN 5920-00-305-2867
NSN 2925-00-078-0525
NSN 6105-01-398-7495