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 5975-00-433-5983
NSN 4140-01-633-8555
NSN 5990-00-615-7111
NSN 6135-00-686-4777
NSN 5990-01-262-4068
NSN 5920-00-584-4592
NSN 6240-01-392-8868
NSN 5990-01-310-5630
NSN 6320-01-573-6490
NSN 5975-01-568-1302
NSN 5835-00-245-9453
NSN 6110-00-733-8686