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 5835-00-223-7235
NSN 6620-00-106-3350
NSN 5999-01-634-0576
NSN 6650-01-338-8534
NSN 2925-01-027-1293
NSN 6650-00-626-1891
NSN 5945-00-286-4668
NSN 6240-01-441-0784
NSN 6610-00-688-9487
NSN 6645-01-099-6887
NSN 5985-00-688-9273
NSN 5855-01-602-9653