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 6650-00-150-6885
NSN 5945-01-281-5610
NSN 5925-01-127-6002
NSN 5960-01-192-7710
NSN 5910-00-107-0771
NSN 5920-01-329-6224
NSN 2925-00-241-5244
NSN 5998-01-617-0400
NSN 7035-01-038-3165
NSN 6145-01-495-0506
NSN 6620-01-344-9355
NSN 5950-00-156-7287