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 5965-00-926-2591
NSN 6150-01-296-2123
NSN 5835-01-568-7796
NSN 5960-00-407-2533
NSN 6650-01-239-2759
NSN 6240-00-246-5060
NSN 5910-01-158-4713
NSN 5990-00-513-5328
NSN 5960-01-425-1454
NSN 5920-01-383-5963
NSN 5835-00-198-4936
NSN 5975-01-401-5355