A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 4140-01-445-3556
NSN 6320-01-201-2776
NSN 6645-01-038-2829
NSN 5935-01-009-2055
NSN 6320-01-366-5157
NSN 6650-01-633-9147
NSN 6685-00-148-9729
NSN 5835-01-645-2892
NSN 5925-01-530-3621
NSN 6130-01-243-5260
NSN 6105-00-952-6547
NSN 5985-01-462-1845