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 6105-01-146-4420
NSN 5895-01-379-3019
NSN 5915-01-193-9968
NSN 6105-01-222-3601
NSN 5999-01-435-6568
NSN 5935-01-363-0285
NSN 6240-01-012-2706
NSN 6320-01-498-4954
NSN 6145-01-618-6494
NSN 5996-00-840-5246
NSN 5950-01-614-1683
NSN 6620-01-129-8943