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 5996-01-134-7638
NSN 5835-01-481-4204
NSN 6685-00-435-9487
NSN 5835-01-561-2959
NSN 6645-00-701-4606
NSN 5945-01-437-5611
NSN 6685-01-538-7318
NSN 2925-01-394-1812
NSN 6220-01-131-9997
NSN 6610-00-600-1882
NSN 4140-00-806-9952
NSN 5945-01-119-5402