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 5855-01-070-8084
NSN 5835-01-351-8429
NSN 5996-00-368-9244
NSN 6320-00-343-1798
NSN 6105-00-714-6081
NSN 5835-01-589-4735
NSN 5960-00-270-8171
NSN 6240-00-715-1046
NSN 6610-01-152-2821
NSN 5930-01-224-7055
NSN 5905-01-442-5018
NSN 6620-01-462-5196