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 5920-00-008-1533
NSN 5990-00-518-0672
NSN 5920-01-602-9407
NSN 5935-01-149-7033
NSN 6685-00-538-0911
NSN 5925-01-479-0213
NSN 6240-00-578-6820
NSN 2925-00-707-6770
NSN 5930-01-244-2387
NSN 5835-01-250-9940
NSN 5920-01-250-2502
NSN 6240-01-252-4219