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 2925-01-016-3111
NSN 6105-01-031-9638
NSN 5925-01-502-2470
NSN 5935-01-187-9131
NSN 6220-00-409-9500
NSN 6320-01-111-8851
NSN 7035-01-269-4152
NSN 5915-01-062-7890
NSN 5975-00-804-1489
NSN 5915-00-553-8755
NSN 5925-00-552-5393
NSN 6145-01-089-6146