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 6110-00-019-0160
NSN 5945-01-658-2897
NSN 6145-01-065-2314
NSN 5985-00-647-4998
NSN 5935-01-369-7611
NSN 2925-00-839-6815
NSN 5935-01-352-9849
NSN 6320-00-116-3658
NSN 6620-01-292-5072
NSN 5915-01-220-8184
NSN 6650-01-608-1323
NSN 5935-01-185-5278