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 5915-01-016-5156
NSN 4140-00-473-8189
NSN 6685-01-417-1807
NSN 5965-01-583-5377
NSN 5975-00-627-8853
NSN 5945-01-441-8810
NSN 5950-00-884-8659
NSN 5855-00-089-3974
NSN 5920-01-027-8349
NSN 5960-01-328-8248
NSN 6105-01-589-1706
NSN 5985-00-355-7611