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 6620-00-170-5296
NSN 6645-01-048-8972
NSN 6320-01-585-8468
NSN 5915-01-563-6625
NSN 5960-01-156-1396
NSN 5895-00-826-9004
NSN 5930-00-402-3889
NSN 5960-00-161-9345
NSN 6150-01-600-0893
NSN 2925-00-497-7808
NSN 5935-00-802-1919
NSN 5950-01-547-6394