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 5925-00-643-5070
NSN 4140-01-198-4626
NSN 5975-01-415-0068
NSN 5950-01-545-2908
NSN 6150-01-600-6082
NSN 4140-01-451-7042
NSN 5905-01-645-3041
NSN 5945-01-610-3544
NSN 6620-00-057-2764
NSN 5990-01-204-4874
NSN 5975-01-477-8048
NSN 6135-01-633-8502