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 5910-01-429-1059
NSN 5895-00-957-4532
NSN 7035-00-162-5487
NSN 5855-01-067-8841
NSN 5996-00-803-0212
NSN 6240-01-377-2560
NSN 5905-00-531-3723
NSN 5998-00-419-8584
NSN 6110-00-533-8623
NSN 6685-01-224-9410
NSN 5915-00-823-6496
NSN 7035-01-376-3843