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 5910-01-467-3009
NSN 5935-01-318-3851
NSN 5990-01-532-6113
NSN 6110-01-641-7914
NSN 6220-01-345-8655
NSN 5930-01-437-8823
NSN 6105-00-712-9292
NSN 5915-00-525-5753
NSN 6150-00-678-0913
NSN 5965-01-329-7890
NSN 6320-00-228-5678
NSN 5930-01-613-2918