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 5855-00-129-6055
NSN 6145-00-229-3867
NSN 5975-01-139-3600
NSN 6145-01-599-8275
NSN 5985-01-021-1755
NSN 6620-01-034-1697
NSN 5996-01-503-4233
NSN 5975-01-188-3640
NSN 5925-00-406-6131
NSN 6110-01-102-1425
NSN 2925-01-221-9398
NSN 5910-00-594-7986