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 6145-00-377-0971
NSN 5855-01-519-2486
NSN 5930-01-384-7107
NSN 5985-01-513-9930
NSN 6130-00-068-1885
NSN 6110-00-733-8686
NSN 6105-00-236-9145
NSN 5975-01-562-6002
NSN 7035-01-151-0265
NSN 5905-01-574-1648
NSN 6240-00-244-0483
NSN 6685-01-395-9153