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 6685-01-605-0946
NSN 5895-01-172-6120
NSN 5998-01-417-1272
NSN 5895-01-655-2147
NSN 6685-00-623-0427
NSN 5975-00-505-2626
NSN 6620-00-811-7614
NSN 6130-01-560-9452
NSN 5965-01-472-3664
NSN 5975-01-069-9511
NSN 7035-00-131-8219
NSN 5835-00-443-1079