A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 5945-01-105-5257
NSN 6240-01-069-2688
NSN 5925-01-023-9116
NSN 4140-00-128-8072
NSN 5855-01-100-3272
NSN 6220-01-423-7517
NSN 5855-00-256-5562
NSN 5895-01-350-8731
NSN 6650-01-416-0473
NSN 5910-01-550-9709
NSN 6610-00-933-9262
NSN 5855-01-553-1162