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 6150-00-489-1445
NSN 5935-01-422-0969
NSN 5930-00-908-9345
NSN 5998-01-315-1333
NSN 5905-01-202-9237
NSN 5855-01-330-3669
NSN 6220-00-775-7653
NSN 5965-01-347-7328
NSN 6620-00-229-2728
NSN 6240-01-554-5693
NSN 5998-01-125-9722
NSN 5920-01-417-3142