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.
NSN 6145-01-010-4665
NSN 5960-01-354-0762
NSN 5915-01-088-2033
NSN 6150-00-401-6027
NSN 5905-01-378-7851
NSN 5985-01-285-0588
NSN 6320-01-089-9086
NSN 4140-01-262-2255
NSN 6150-00-161-2480
NSN 5855-00-237-4088
NSN 6130-00-952-2970
NSN 6685-01-416-7543