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 5950-01-158-4727
NSN 5855-01-093-8202
NSN 5920-00-581-9471
NSN 6220-01-463-9826
NSN 5999-01-509-5368
NSN 6645-01-322-8897
NSN 5996-01-131-0006
NSN 5975-00-968-7650
NSN 5920-01-016-2764
NSN 6130-01-508-0492
NSN 5895-01-260-0166
NSN 7035-01-127-0147