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 6645-01-085-2885
NSN 5855-01-433-1217
NSN 6320-00-139-1090
NSN 6685-01-076-7321
NSN 5998-01-455-8748
NSN 5920-00-480-9754
NSN 5930-00-171-8867
NSN 5975-01-590-6706
NSN 2925-01-545-2717
NSN 5925-00-001-7446
NSN 6320-01-381-7023
NSN 5935-00-644-9978