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 5945-01-371-8685
NSN 5950-01-388-0860
NSN 5910-00-697-9998
NSN 6145-01-027-6571
NSN 6610-01-003-8791
NSN 7035-00-205-1932
NSN 5835-01-208-1939
NSN 5985-01-465-8641
NSN 6220-01-555-7860
NSN 4140-01-411-8822
NSN 5950-00-961-0166
NSN 5945-01-483-2599