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 5895-01-112-0532
NSN 5998-00-104-8195
NSN 6110-01-633-9660
NSN 5930-00-169-3813
NSN 6150-01-258-2390
NSN 6150-00-912-1304
NSN 5915-01-633-9845
NSN 5895-00-596-8678
NSN 6620-00-924-4369
NSN 6130-01-513-9970
NSN 5965-00-144-2543
NSN 2925-00-957-7329