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 6105-01-302-1253
NSN 5835-01-205-6614
NSN 5855-01-513-7561
NSN 6145-00-301-9124
NSN 6110-01-231-2568
NSN 5930-00-085-0544
NSN 6620-01-538-7174
NSN 7035-01-260-0804
NSN 5998-01-025-0120
NSN 6145-00-414-5315
NSN 6620-01-567-4193
NSN 5999-00-836-0639