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 5925-01-326-5782
NSN 5945-01-012-4927
NSN 6320-01-449-1014
NSN 6145-01-265-0522
NSN 6645-00-958-5299
NSN 5935-01-415-5965
NSN 5960-00-188-1563
NSN 7035-01-065-7706
NSN 6220-01-348-8243
NSN 6135-01-582-5987
NSN 5975-00-172-5594
NSN 5920-00-156-0840