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 5975-01-024-4935
NSN 5920-00-335-1733
NSN 5985-01-417-8860
NSN 5930-01-550-5332
NSN 5935-01-618-7409
NSN 6320-01-512-2031
NSN 5920-00-443-1907
NSN 6130-01-481-3425
NSN 5996-01-323-5326
NSN 5855-01-218-3735
NSN 5910-01-438-9209
NSN 5945-00-104-5922