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 5950-01-440-0496
NSN 6135-01-202-8113
NSN 6320-01-067-0474
NSN 6150-01-161-6661
NSN 6145-00-103-3385
NSN 5996-01-415-1028
NSN 5975-01-148-2189
NSN 5990-01-057-4191
NSN 5910-01-272-7295
NSN 5935-01-236-4179
NSN 2925-01-604-8984
NSN 6135-01-528-6896