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 5999-01-365-6065
NSN 5990-00-185-9586
NSN 5945-01-398-6873
NSN 5935-01-158-6291
NSN 2925-00-778-0645
NSN 5985-01-378-6363
NSN 5975-00-467-8777
NSN 6150-01-219-7891
NSN 5999-01-383-6710
NSN 5855-01-010-4921
NSN 6620-01-365-1499
NSN 5985-01-152-3464