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 6620-00-155-2608
NSN 7035-01-025-9312
NSN 6240-01-223-4917
NSN 5910-01-071-7190
NSN 2925-01-106-8871
NSN 5925-01-227-4631
NSN 6320-00-036-3688
NSN 5855-01-400-1590
NSN 6130-01-090-0248
NSN 6620-01-322-8382
NSN 6145-01-534-6168
NSN 5905-01-533-4205