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 5998-00-993-6765
NSN 4140-00-142-2491
NSN 6150-00-974-9261
NSN 5935-01-107-0744
NSN 5975-01-100-3222
NSN 4140-00-842-0520
NSN 5975-00-079-0022
NSN 6240-01-555-8649
NSN 6220-01-359-6615
NSN 5996-01-473-0817
NSN 6150-01-400-4211
NSN 5905-00-081-6137