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 6135-01-435-6503
NSN 2925-01-297-2315
NSN 5998-01-212-9902
NSN 5935-01-100-4604
NSN 5960-01-588-8410
NSN 5975-00-313-2294
NSN 6110-00-972-6005
NSN 5905-00-528-9975
NSN 5945-01-463-8489
NSN 5985-01-091-6012
NSN 5950-01-422-2408
NSN 6130-01-143-3611