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 5905-01-629-4299
NSN 7035-00-703-3535
NSN 6240-01-062-1684
NSN 5960-00-201-5265
NSN 6650-00-995-8015
NSN 5925-01-043-3460
NSN 5905-01-586-2091
NSN 5998-01-576-4446
NSN 6110-01-223-5367
NSN 6610-00-276-8919
NSN 5996-00-272-2560
NSN 6320-00-557-3079