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 5835-01-150-6084
NSN 5950-01-412-5954
NSN 6150-00-202-9150
NSN 5985-00-734-7479
NSN 5935-01-535-5636
NSN 5855-01-615-2559
NSN 5925-00-660-7589
NSN 6650-01-204-2524
NSN 5935-01-428-2718
NSN 6145-01-608-2904
NSN 5915-01-461-8132
NSN 6130-01-249-4579