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 5905-01-407-4594
NSN 6145-01-572-8533
NSN 6320-01-113-7647
NSN 5998-00-627-6575
NSN 5985-01-087-8480
NSN 5855-00-631-4565
NSN 6650-01-388-2538
NSN 6150-00-976-9428
NSN 5945-01-330-3020
NSN 6110-00-456-2058
NSN 5965-01-186-2051
NSN 5945-01-579-0275