No other part numbers with same form, fit, and function found.
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.
Classification: Nuts of iron or steel
NSN 6650-01-481-6647
NSN 6220-00-419-0635
NSN 5835-01-462-5983
NSN 4140-01-071-1512
NSN 2925-00-660-8131
NSN 6650-01-660-3151
NSN 5835-01-074-1161
NSN 4140-00-205-0853
NSN 5990-00-518-3195
NSN 5925-00-011-7011
NSN 6645-01-137-1684
NSN 6620-01-415-5803