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 5998-00-909-9640
NSN 6135-00-122-2420
NSN 5910-01-071-1476
NSN 6135-01-467-5100
NSN 5905-00-724-6049
NSN 7035-00-455-7666
NSN 6105-00-268-2878
NSN 5975-00-054-5287
NSN 6685-00-203-4485
NSN 6240-01-408-5102
NSN 6145-00-398-4405
NSN 6320-00-456-0836