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 5985-00-104-5981
NSN 6685-01-032-3384
NSN 5935-00-044-1881
NSN 5975-01-396-6078
NSN 5855-01-364-1005
NSN 5895-01-265-1095
NSN 5910-00-064-6559
NSN 5996-00-489-7513
NSN 6145-01-618-6159
NSN 5975-01-088-2761
NSN 5925-01-288-0025
NSN 5925-01-231-5423