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 5910-01-033-5247
NSN 5935-01-422-2559
NSN 5915-00-801-4242
NSN 5985-01-505-0003
NSN 5935-01-522-0029
NSN 6150-01-190-0624
NSN 5930-00-282-2736
NSN 5920-00-557-9859
NSN 5920-01-434-7527
NSN 6610-01-383-4458
NSN 5930-00-150-8635
NSN 5925-01-255-1048