No other part numbers with same form, fit, and function found.
A cylindrical-shaped nut, the end opposite the bearing surface being designed with an internal socket or splines for use with an inserted wrench.
NSN 5930-01-270-2186
NSN 6645-01-257-2856
NSN 7035-01-056-5350
NSN 5905-00-928-9056
NSN 6240-01-375-6119
NSN 6145-00-148-1609
NSN 5975-01-268-8722
NSN 5925-01-065-4091
NSN 6150-00-834-8795
NSN 5920-00-736-7882
NSN 5999-01-105-2967
NSN 4140-00-623-0248