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 2925-01-430-4206
NSN 5985-00-383-6178
NSN 5935-01-445-5917
NSN 6240-01-259-0665
NSN 5895-00-374-8333
NSN 5915-00-499-2173
NSN 6610-01-213-9288
NSN 6220-00-111-3188
NSN 5920-01-347-5852
NSN 5855-01-180-5369
NSN 5930-01-273-9849
NSN 6685-00-647-3883