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 5935-00-318-8648
NSN 5998-01-329-8493
NSN 6150-01-111-3892
NSN 5930-00-905-3035
NSN 6320-00-790-4844
NSN 5895-01-124-9892
NSN 6135-00-715-4001
NSN 2925-01-650-3412
NSN 5920-00-152-4003
NSN 6645-01-167-0712
NSN 5855-01-068-3683
NSN 6610-01-323-9426