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 5835-01-234-2906
NSN 6145-01-551-1045
NSN 6135-01-278-9717
NSN 6645-00-960-6594
NSN 6105-01-537-0105
NSN 5998-01-631-5435
NSN 6610-01-264-4888
NSN 6320-01-523-4954
NSN 6240-00-078-2360
NSN 5925-00-027-8220
NSN 5925-01-351-3660
NSN 6150-01-493-9448