An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 5950-01-131-3549
NSN 6240-01-248-0424
NSN 6320-00-731-6134
NSN 7035-01-515-7055
NSN 5960-00-219-6148
NSN 4140-01-556-8911
NSN 6130-01-655-2544
NSN 5975-00-443-5625
NSN 4140-01-444-1746
NSN 6620-00-229-2728
NSN 6650-01-505-6947
NSN 6240-00-594-7138