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 2925-00-714-3932
NSN 5965-01-514-7231
NSN 5960-01-359-4257
NSN 4140-01-572-6390
NSN 5855-00-051-2792
NSN 6610-01-436-2803
NSN 6130-00-642-4264
NSN 6220-01-254-0091
NSN 5965-00-925-1725
NSN 5960-01-433-3928
NSN 5925-01-507-5311
NSN 6650-01-349-0306