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 5965-00-242-0001
NSN 2925-01-362-2515
NSN 6220-01-399-3680
NSN 5985-00-931-2564
NSN 5975-01-448-7286
NSN 6220-01-052-3452
NSN 2925-00-149-0760
NSN 5935-01-508-4566
NSN 5905-00-596-9969
NSN 4140-00-806-9952
NSN 5895-01-455-4622
NSN 5999-01-263-0939