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 6145-00-360-7760
NSN 5935-00-528-6999
NSN 6150-01-285-9860
NSN 2925-00-099-4030
NSN 6135-01-412-5836
NSN 6620-00-905-6590
NSN 5935-01-363-9938
NSN 7035-00-007-2739
NSN 5910-00-231-3958
NSN 5910-01-133-8170
NSN 6685-01-587-6792
NSN 6110-01-347-4647