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 5965-01-335-1687
NSN 5925-01-601-1882
NSN 5920-00-461-4543
NSN 6685-01-266-2269
NSN 5945-00-071-5813
NSN 5855-01-416-1088
NSN 6220-00-008-5582
NSN 6320-00-521-9350
NSN 5996-00-248-7061
NSN 6240-01-273-0193
NSN 4140-01-341-1841
NSN 2925-00-876-1578