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 5855-01-472-1946
NSN 5990-01-298-3152
NSN 5998-01-568-4201
NSN 6135-00-347-0595
NSN 5895-01-132-2842
NSN 5965-01-426-8325
NSN 4140-01-630-1767
NSN 5985-01-596-2970
NSN 5975-00-032-2321
NSN 2925-01-459-8093
NSN 6130-01-501-5412
NSN 5990-01-485-0260