A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6610-01-387-3648
NSN 5855-01-416-1527
NSN 6105-00-949-3979
NSN 5998-01-444-6047
NSN 6240-00-974-5925
NSN 5998-01-403-2586
NSN 5965-00-289-6280
NSN 5925-01-551-4116
NSN 6685-00-967-3636
NSN 5950-01-039-5435
NSN 5999-01-605-7679
NSN 5935-01-004-9330