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 5905-01-394-3266
NSN 5895-01-403-2793
NSN 4140-00-727-3731
NSN 6150-01-025-5292
NSN 5915-01-648-2126
NSN 6620-01-570-4026
NSN 6105-01-604-9832
NSN 6135-00-347-0595
NSN 5985-00-019-6317
NSN 6105-01-482-3490
NSN 5915-01-028-0899
NSN 5996-01-426-8531