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 5915-01-072-4348
NSN 2925-01-446-6976
NSN 5920-00-394-9529
NSN 4140-01-588-1672
NSN 5945-01-070-0225
NSN 6220-01-292-7841
NSN 6645-01-301-9462
NSN 7035-00-193-2269
NSN 6610-01-618-7038
NSN 5998-01-467-4448
NSN 5930-01-658-0160
NSN 5855-00-079-2370