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 6135-01-204-3882
NSN 6610-01-051-8484
NSN 5910-01-072-3256
NSN 5998-01-589-1705
NSN 4140-01-513-6746
NSN 5835-00-665-3395
NSN 5985-00-419-0342
NSN 5925-00-912-8810
NSN 6320-01-207-9038
NSN 6110-01-174-8414
NSN 6220-01-317-8069
NSN 5999-01-423-1030