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 6645-01-174-9350
NSN 6145-01-381-2529
NSN 5960-00-608-6711
NSN 5960-00-984-8563
NSN 4140-01-634-0330
NSN 5990-01-586-8202
NSN 6645-01-116-2037
NSN 6320-01-281-3341
NSN 5925-01-507-1745
NSN 5855-01-621-0215
NSN 6610-01-305-8863
NSN 6645-00-960-6594