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 5855-01-160-3802
NSN 5915-01-408-8824
NSN 6220-01-534-8161
NSN 6145-00-202-8570
NSN 5925-00-071-9844
NSN 7035-01-323-0164
NSN 5960-01-141-9986
NSN 6645-01-053-3185
NSN 5999-01-271-8846
NSN 5998-01-243-6418
NSN 5990-01-370-5684
NSN 5999-00-132-1329