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 5998-01-087-5155
NSN 6150-01-161-0602
NSN 5975-01-525-7728
NSN 6240-01-549-7138
NSN 5915-01-434-3359
NSN 5999-01-360-1529
NSN 5915-01-658-8051
NSN 2925-00-169-3775
NSN 5975-00-957-8748
NSN 5925-01-012-9800
NSN 6220-01-508-6807
NSN 7035-01-270-0325