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 5998-00-607-9921
NSN 5835-01-010-3103
NSN 5945-00-475-8107
NSN 5999-00-419-0693
NSN 6145-00-871-7930
NSN 5975-01-254-8555
NSN 5915-01-446-9228
NSN 5985-01-565-3969
NSN 7035-01-591-9193
NSN 6240-01-356-8144
NSN 5990-01-364-1942
NSN 5999-00-483-9941