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 6105-01-224-5510
NSN 5998-00-372-6047
NSN 6645-00-442-0475
NSN 5835-01-083-3741
NSN 5920-01-089-3445
NSN 5930-01-579-8697
NSN 5930-01-432-7422
NSN 5996-01-422-3087
NSN 5975-01-434-5085
NSN 6150-01-189-0498
NSN 5998-00-998-6866
NSN 6145-00-761-2878