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 6610-01-165-7024
NSN 5965-01-273-0943
NSN 5835-00-811-4554
NSN 5975-01-569-7671
NSN 2925-01-647-7225
NSN 5920-01-267-6086
NSN 5950-01-479-5411
NSN 5930-01-360-5094
NSN 5855-00-560-0110
NSN 6650-01-203-4746
NSN 6320-01-488-5581
NSN 5950-00-072-4897