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 5990-00-402-0564
NSN 5996-01-374-7224
NSN 6685-01-264-4967
NSN 6130-01-569-2725
NSN 5935-00-612-5748
NSN 6650-00-153-3155
NSN 6240-01-046-4363
NSN 6320-01-033-6624
NSN 5996-01-443-2324
NSN 5910-00-584-2647
NSN 5925-00-167-1213
NSN 6620-01-529-2518