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 6150-01-559-3115
NSN 6320-00-701-0437
NSN 5945-01-513-9686
NSN 5905-01-422-3229
NSN 6610-00-664-2190
NSN 5935-00-482-1776
NSN 6320-01-261-5983
NSN 5895-01-605-0228
NSN 4140-01-174-5647
NSN 6650-00-590-9073
NSN 6145-01-518-4305
NSN 6320-01-386-7396