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 6150-01-160-8091
NSN 5855-01-513-9601
NSN 6110-00-686-4685
NSN 6685-00-018-1842
NSN 6135-01-106-7740
NSN 5905-00-932-4648
NSN 6610-00-814-8598
NSN 5990-01-421-5342
NSN 5915-01-052-6871
NSN 5915-01-502-6623
NSN 5895-00-851-9053
NSN 7035-01-568-1456