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 5930-01-271-3487
NSN 6105-00-551-3747
NSN 5930-01-158-1058
NSN 6130-01-309-6459
NSN 5910-01-132-9375
NSN 6685-01-140-6194
NSN 5985-01-069-3816
NSN 6130-01-443-2448
NSN 6320-00-174-1362
NSN 5925-01-379-7734
NSN 6135-01-576-9616
NSN 5930-01-367-2184