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 5855-01-551-7923
NSN 6685-01-374-4911
NSN 6610-01-562-0846
NSN 5999-01-620-8365
NSN 6620-01-130-3139
NSN 5975-00-724-3147
NSN 5915-01-644-9698
NSN 6685-00-071-4001
NSN 6685-00-931-6744
NSN 5985-01-107-5304
NSN 5935-00-106-8941
NSN 5998-00-085-4026