Head markings indented at 120.0 degrees
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 5925-01-207-0910
NSN 6650-01-349-3503
NSN 6620-01-010-0518
NSN 5990-01-328-8225
NSN 6150-01-306-2943
NSN 5935-01-100-1089
NSN 5960-00-529-2704
NSN 4140-00-116-1022
NSN 5920-01-457-5623
NSN 6220-00-397-6910
NSN 5920-01-556-3033
NSN 5999-00-762-3713