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 6610-01-375-1527
NSN 5998-01-090-5989
NSN 5855-00-256-5562
NSN 5915-01-084-9864
NSN 6685-01-323-3495
NSN 6240-01-409-2465
NSN 6220-01-161-8199
NSN 5835-00-888-9422
NSN 5985-00-296-2903
NSN 5920-01-547-6859
NSN 6135-00-913-2062
NSN 6150-00-805-9557