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 5945-01-206-4520
NSN 5975-01-186-4268
NSN 5998-01-301-5944
NSN 6650-00-977-7533
NSN 6240-01-212-3255
NSN 5945-01-448-9742
NSN 6220-01-136-0339
NSN 5905-01-198-2514
NSN 6105-00-107-3315
NSN 6650-01-146-5000
NSN 6650-00-105-8063
NSN 6650-01-502-7316