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 5895-01-345-5199
NSN 4140-01-141-4473
NSN 6145-01-060-4689
NSN 5985-01-306-9796
NSN 6105-01-391-7124
NSN 7035-01-121-0901
NSN 2925-00-480-9068
NSN 4140-01-455-9930
NSN 5905-01-586-3675
NSN 6105-01-162-5932
NSN 6110-00-248-7475
NSN 5895-01-307-7810