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 6610-00-980-0518
NSN 6135-01-419-0779
NSN 6150-00-495-3434
NSN 5920-01-314-6341
NSN 5985-01-198-0897
NSN 5996-00-860-0860
NSN 5999-01-630-2423
NSN 5990-00-341-3194
NSN 5930-01-457-6396
NSN 6645-01-170-5402
NSN 6320-01-259-2604
NSN 5945-00-932-5219