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 6150-01-162-7539
NSN 2925-00-063-5898
NSN 5950-01-281-6568
NSN 6135-00-321-6707
NSN 6150-00-227-8983
NSN 5910-00-149-6555
NSN 5950-00-031-5866
NSN 6610-01-398-8815
NSN 6685-01-227-2621
NSN 2925-01-448-2880
NSN 5915-00-248-5824
NSN 6130-00-397-7690