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 5935-00-816-9923
NSN 6130-00-807-8496
NSN 5950-00-918-3687
NSN 6130-01-490-7110
NSN 6685-01-306-2562
NSN 5910-01-411-9335
NSN 5990-01-221-6361
NSN 6130-01-263-9771
NSN 5835-00-240-9838
NSN 6135-01-647-5692
NSN 5925-01-205-7482
NSN 5905-01-186-4524