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 5935-01-301-3671
NSN 2925-01-440-9912
NSN 6240-01-407-0596
NSN 5920-00-356-2892
NSN 5996-01-023-8370
NSN 7035-01-437-4137
NSN 6220-01-599-9098
NSN 5965-01-422-3232
NSN 6685-00-759-9801
NSN 5920-01-221-0510
NSN 6110-01-420-3257
NSN 6620-01-514-0887