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.
NSN 6685-01-218-5258
NSN 6620-01-140-4405
NSN 6220-01-436-7131
NSN 6620-01-653-7644
NSN 5950-01-381-5610
NSN 5910-01-087-0759
NSN 5990-00-976-9496
NSN 5920-01-167-0810
NSN 5930-00-627-0277
NSN 5905-01-587-6468
NSN 5895-00-421-9850
NSN 5965-01-225-6080