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 5935-00-182-4791
NSN 5920-01-629-6675
NSN 6645-01-185-7684
NSN 5895-01-156-4784
NSN 6130-01-602-2417
NSN 5855-01-350-5540
NSN 6685-01-305-4111
NSN 5925-01-652-3554
NSN 6685-00-448-1235
NSN 5965-01-621-8547
NSN 5935-00-421-2881
NSN 6130-00-170-4844