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 6105-01-622-5642
NSN 5945-01-371-1462
NSN 6650-00-389-4111
NSN 5855-01-632-9530
NSN 6610-00-785-4054
NSN 6645-01-170-0341
NSN 6240-01-138-0112
NSN 6145-01-564-9800
NSN 6135-01-223-3869
NSN 5925-00-379-0920
NSN 6685-00-819-8831
NSN 6240-01-592-1261