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 5925-01-325-6185
NSN 5935-01-423-9929
NSN 5930-01-415-2495
NSN 5975-01-296-7120
NSN 6110-01-605-2037
NSN 6150-00-838-0246
NSN 6320-01-578-6006
NSN 6240-00-677-0305
NSN 6135-00-235-1938
NSN 4140-01-616-1174
NSN 6135-01-400-2947
NSN 6645-01-538-9655