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 5910-00-422-0782
NSN 6130-01-412-0791
NSN 5965-01-416-4059
NSN 7035-00-782-7046
NSN 6220-01-090-7473
NSN 6145-00-321-3318
NSN 6145-01-227-4920
NSN 4140-01-661-1043
NSN 6220-01-389-8933
NSN 5920-01-412-1080
NSN 5895-00-144-8162
NSN 5998-01-051-2198