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 6240-01-361-9167
NSN 5985-01-579-4110
NSN 5990-00-646-5487
NSN 5915-01-168-5813
NSN 6220-01-157-7173
NSN 5835-01-464-2662
NSN 6145-00-099-8986
NSN 5996-00-532-7044
NSN 6110-01-151-8061
NSN 6320-01-268-3072
NSN 5965-00-230-8818
NSN 5990-01-431-6749