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 5915-01-312-6715
NSN 6145-01-412-0528
NSN 6610-01-436-2163
NSN 4140-01-422-8443
NSN 5998-00-629-8384
NSN 7035-00-487-8761
NSN 6650-00-665-3658
NSN 6320-01-357-0728
NSN 7035-00-585-2113
NSN 6145-00-949-1350
NSN 5950-01-013-8697
NSN 5950-01-282-6932