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 5945-01-048-1469
NSN 5990-01-145-2878
NSN 7035-00-064-7008
NSN 5925-01-023-6224
NSN 5895-01-045-0328
NSN 6610-00-144-7036
NSN 6105-00-728-8612
NSN 6145-01-437-9015
NSN 6620-00-920-1671
NSN 5996-01-193-7529
NSN 6240-01-085-3403
NSN 6320-01-259-2604