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 5925-01-447-4153
NSN 5945-01-188-8797
NSN 5895-00-901-5769
NSN 6685-00-188-1991
NSN 6130-01-268-3323
NSN 6320-00-937-5625
NSN 5915-01-645-4809
NSN 6110-00-255-2025
NSN 5950-01-218-8951
NSN 6135-00-122-2420
NSN 7035-01-150-6303
NSN 6610-01-631-1184