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 5996-01-323-7763
NSN 5998-01-147-7695
NSN 5915-01-171-1537
NSN 5855-01-423-0817
NSN 5960-00-760-1949
NSN 5920-01-224-0355
NSN 5945-01-431-5167
NSN 6650-01-567-0455
NSN 6150-01-023-1516
NSN 6110-00-518-2998
NSN 5999-01-357-1159
NSN 6650-01-207-2905