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 6130-01-430-7193
NSN 6135-01-079-7852
NSN 4140-01-634-0330
NSN 5935-01-379-4315
NSN 2925-00-343-3235
NSN 5915-01-425-1401
NSN 5985-00-935-8653
NSN 6220-01-420-7812
NSN 5835-01-397-2865
NSN 5975-01-212-3870
NSN 5945-01-255-8863
NSN 7035-00-215-3272