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 5930-01-354-2592
NSN 5996-01-430-2440
NSN 2925-01-089-6269
NSN 5945-01-149-1160
NSN 5855-01-372-4433
NSN 5960-01-478-2672
NSN 5975-01-392-6126
NSN 5915-01-258-5723
NSN 5990-00-267-9956
NSN 5895-01-334-5450
NSN 6620-01-212-8089
NSN 5965-01-450-7694