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 5998-00-054-6589
NSN 6685-00-975-0041
NSN 5895-01-231-4974
NSN 5835-01-199-1683
NSN 4140-01-106-4456
NSN 5915-01-381-0746
NSN 5975-01-181-6212
NSN 6685-01-106-3210
NSN 6620-01-068-0046
NSN 5855-01-447-7168
NSN 5996-01-565-7374
NSN 6130-01-590-9954