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 5945-01-573-7795
NSN 6145-01-648-0285
NSN 5915-01-253-1663
NSN 6620-01-413-7476
NSN 5925-01-388-5569
NSN 5835-00-366-0240
NSN 5835-01-481-4204
NSN 5998-01-442-7743
NSN 6610-01-657-1773
NSN 5835-00-217-2147
NSN 5975-01-276-0606
NSN 5920-00-954-7270