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 6320-01-294-7161
NSN 5920-01-353-6423
NSN 2925-00-853-5039
NSN 6135-01-424-8130
NSN 7035-01-014-3808
NSN 6145-01-558-4521
NSN 6320-01-506-9439
NSN 5920-00-883-6889
NSN 6150-00-912-9503
NSN 6220-01-390-0330
NSN 5920-00-344-0980
NSN 6610-01-067-4359