A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6150-01-228-9121
NSN 5905-01-533-2747
NSN 6150-00-406-5883
NSN 5960-01-354-0762
NSN 6610-01-151-9454
NSN 5920-01-086-6392
NSN 5950-01-385-1592
NSN 5915-01-441-2238
NSN 5920-01-247-5299
NSN 7035-01-591-8956
NSN 5990-01-056-6413
NSN 5975-00-707-8036