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 6650-01-101-9023
NSN 4140-01-328-5180
NSN 6105-00-979-0888
NSN 6240-01-242-9138
NSN 6685-01-325-4218
NSN 6620-00-111-7089
NSN 5835-01-332-2867
NSN 5999-01-455-4975
NSN 6610-01-381-3181
NSN 5895-01-231-9895
NSN 5835-00-554-0399
NSN 5950-01-432-0242