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 7035-00-531-9925
NSN 7035-00-803-3056
NSN 5905-01-565-5256
NSN 4140-01-512-0744
NSN 6620-01-074-9377
NSN 5920-00-152-4003
NSN 6650-00-549-5672
NSN 5905-01-605-7098
NSN 7035-00-870-0290
NSN 5905-00-163-1325
NSN 6610-01-229-3679
NSN 5915-00-553-8755