A nut having one convex, spherical bearing surface, with 12 drive points, 24 sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member.
NSN 5925-01-508-4999
NSN 5930-00-518-1642
NSN 5996-00-055-0549
NSN 5975-00-727-5153
NSN 5996-00-246-2528
NSN 6130-01-597-5760
NSN 6110-01-307-8283
NSN 5950-01-088-5409
NSN 6610-00-809-5572
NSN 5920-00-417-8768
NSN 6645-01-578-6815
NSN 5910-01-152-0083