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 6135-01-205-5965
NSN 6220-01-191-7643
NSN 6145-01-431-8803
NSN 5895-01-607-1035
NSN 5920-00-134-8499
NSN 5965-01-217-3859
NSN 4140-00-529-7463
NSN 6110-01-281-0513
NSN 5999-00-024-7589
NSN 7035-01-290-9770
NSN 5945-01-342-1767
NSN 6645-00-733-0667