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 6240-01-330-5961
NSN 5975-00-288-5877
NSN 5920-01-206-3977
NSN 5915-00-370-4813
NSN 5975-01-068-3705
NSN 6650-01-252-1557
NSN 5950-01-285-2449
NSN 5835-00-275-0584
NSN 5920-00-823-0924
NSN 6685-01-276-4059
NSN 5895-01-453-7167
NSN 5950-01-538-5128