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 6240-01-084-8637
NSN 7035-01-561-2262
NSN 6110-01-355-7450
NSN 6240-01-441-0784
NSN 5975-01-242-0582
NSN 5985-01-258-7037
NSN 5920-00-065-3512
NSN 5975-01-425-0561
NSN 5930-00-149-1696
NSN 6105-01-114-4291
NSN 5905-01-010-3320
NSN 6130-01-543-3755