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 6105-00-726-2754
NSN 5910-01-055-3831
NSN 6150-00-138-7469
NSN 5855-00-560-0110
NSN 6240-01-179-1189
NSN 5935-01-245-6532
NSN 6240-01-512-1856
NSN 6650-01-219-3731
NSN 6240-01-092-6678
NSN 6620-01-214-8619
NSN 2925-00-566-4522
NSN 4140-01-356-1161