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 6105-00-816-2420
NSN 4140-01-459-7411
NSN 5999-00-079-0772
NSN 5985-00-649-5543
NSN 5925-01-506-7833
NSN 5835-00-491-3834
NSN 5920-00-059-4659
NSN 5990-01-440-7135
NSN 5905-00-361-9539
NSN 5930-01-545-7057
NSN 5975-00-713-5078
NSN 5855-01-461-8089