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 6645-00-884-5845
NSN 5895-00-378-5587
NSN 6650-01-265-0650
NSN 5915-00-925-2513
NSN 6645-01-129-8211
NSN 4140-01-447-8964
NSN 5855-00-058-1293
NSN 5996-00-491-3469
NSN 5990-01-480-9938
NSN 5950-01-127-1457
NSN 6145-01-438-4819
NSN 6105-00-474-1461