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 2925-01-370-6898
NSN 5985-01-016-2875
NSN 5895-01-521-7432
NSN 5996-01-056-7011
NSN 6610-00-430-5208
NSN 5960-01-514-5433
NSN 5855-00-117-0857
NSN 4140-00-285-6042
NSN 7035-01-141-8076
NSN 5835-01-538-1804
NSN 6685-01-073-1432
NSN 5910-01-445-4678