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 6685-01-102-9709
NSN 6320-00-937-5625
NSN 6240-01-050-2005
NSN 5996-01-088-7074
NSN 5855-00-256-5562
NSN 6645-00-033-8714
NSN 2925-01-607-7754
NSN 6320-00-456-2092
NSN 6105-01-491-8072
NSN 5915-01-658-9405
NSN 6110-01-063-7423
NSN 6645-00-300-0401