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 7035-01-211-5636
NSN 6240-01-501-4551
NSN 5996-01-593-5926
NSN 5915-01-551-3109
NSN 5945-01-070-8213
NSN 6105-01-400-3431
NSN 5835-01-647-6426
NSN 5925-01-542-9068
NSN 5855-01-577-3140
NSN 6645-01-101-4957
NSN 5990-01-446-9118
NSN 5990-00-911-0574