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 6150-01-606-2465
NSN 6135-01-431-6801
NSN 6145-01-399-1158
NSN 5965-01-045-0247
NSN 6645-00-466-0685
NSN 5835-01-618-6485
NSN 5960-01-128-4431
NSN 6145-01-465-3733
NSN 5915-00-261-6835
NSN 6320-01-268-3072
NSN 5975-00-693-5922
NSN 5990-01-395-4194