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 6150-01-506-2356
NSN 5935-00-360-1968
NSN 6620-01-345-9488
NSN 6620-01-160-8517
NSN 5990-01-159-5988
NSN 2925-01-244-3016
NSN 5960-01-468-5785
NSN 6650-00-155-5827
NSN 5925-01-313-8396
NSN 5855-01-277-1663
NSN 6645-01-633-1852
NSN 6220-00-466-2681