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 6320-01-392-6922
NSN 5910-01-084-7276
NSN 6150-00-104-4572
NSN 6110-00-194-4980
NSN 5910-00-793-8131
NSN 5985-00-056-3855
NSN 6150-01-060-5112
NSN 6220-01-512-3937
NSN 6110-01-163-8831
NSN 5985-00-081-0163
NSN 5945-01-521-2215
NSN 5930-00-734-4559