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 5950-01-214-2681
NSN 5915-01-456-5056
NSN 5950-01-570-4438
NSN 5960-01-104-3426
NSN 5999-00-954-2916
NSN 2925-01-066-5231
NSN 6320-01-607-1491
NSN 2925-00-928-5931
NSN 5855-01-278-8922
NSN 6110-00-991-7000
NSN 6650-00-125-6560
NSN 5915-00-891-4072