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 6685-01-445-8939
NSN 6645-01-351-6900
NSN 5905-01-342-6147
NSN 6650-00-264-0664
NSN 6685-01-104-1782
NSN 6220-01-575-6763
NSN 5950-00-957-0712
NSN 5999-00-854-5065
NSN 5996-01-163-6773
NSN 5905-01-007-4657
NSN 5965-00-989-9345
NSN 6240-01-397-0704