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 7035-01-361-4176
NSN 5965-01-580-0572
NSN 6135-00-057-2005
NSN 6105-01-461-8898
NSN 5855-00-631-4565
NSN 2925-01-265-2853
NSN 6620-01-462-1625
NSN 5998-01-281-0635
NSN 6685-01-009-8690
NSN 6650-00-816-6525
NSN 6105-00-994-0939
NSN 5985-00-605-1656