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 6150-01-258-8698
NSN 6135-01-297-5565
NSN 6135-00-377-9165
NSN 5910-00-283-9783
NSN 6650-00-312-1200
NSN 5996-00-823-4789
NSN 5950-01-632-8662
NSN 6685-01-029-3773
NSN 5925-01-425-4024
NSN 6620-01-223-7333
NSN 6145-01-221-4300
NSN 5965-01-627-7972