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 6645-01-386-6311
NSN 5910-00-067-9736
NSN 5915-01-363-7988
NSN 6685-01-056-5283
NSN 5998-00-948-7996
NSN 6105-00-199-5052
NSN 6220-01-218-5164
NSN 5985-00-285-3387
NSN 5910-00-373-3743
NSN 5996-01-040-2606
NSN 5935-00-923-4142
NSN 5910-01-168-9072