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 5975-01-415-8958
NSN 4140-01-492-5999
NSN 5910-01-326-4315
NSN 5996-01-104-4161
NSN 5965-00-855-0285
NSN 5985-00-545-6235
NSN 6135-00-347-0595
NSN 5960-00-183-8016
NSN 5945-01-147-5377
NSN 4140-01-362-2134
NSN 5925-01-659-8637
NSN 5935-00-910-8239