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 6610-01-020-3764
NSN 6220-00-339-5263
NSN 7035-01-434-6134
NSN 5910-00-299-7869
NSN 6685-00-198-9506
NSN 6650-01-145-5173
NSN 6105-01-476-2881
NSN 6620-01-132-5190
NSN 5960-01-495-0859
NSN 5950-00-298-1936
NSN 5930-01-500-1799
NSN 6645-01-214-6309