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 5930-00-661-2280
NSN 6145-00-949-8965
NSN 5965-01-399-7851
NSN 7035-01-038-9970
NSN 6645-00-392-8728
NSN 6610-01-484-1370
NSN 5935-01-146-4363
NSN 5965-01-584-7601
NSN 6620-01-212-8089
NSN 5930-00-606-0195
NSN 6320-01-021-6633
NSN 5998-00-119-2219