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 5935-00-209-6774
NSN 4140-01-539-5410
NSN 5965-01-065-5544
NSN 6105-01-421-1493
NSN 5910-00-107-0771
NSN 5930-01-004-7240
NSN 5996-01-218-0522
NSN 5910-01-097-4177
NSN 5935-01-240-3063
NSN 5925-00-887-9682
NSN 2925-01-633-4048
NSN 6110-01-139-4646