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: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 5996-01-445-1359
NSN 5965-01-172-3231
NSN 5905-00-691-2218
NSN 5910-00-455-9494
NSN 6610-01-156-0810
NSN 5835-01-436-6549
NSN 6650-01-579-3855
NSN 5855-01-503-1495
NSN 6105-01-496-3073
NSN 5855-01-051-4143
NSN 5998-01-484-9440
NSN 6130-01-034-9837