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 5895-00-444-5937
NSN 6320-00-894-1644
NSN 5910-01-633-9963
NSN 5925-01-012-1890
NSN 5985-00-998-6289
NSN 5998-00-265-1001
NSN 5835-01-324-6443
NSN 5905-01-167-0807
NSN 6645-01-258-0370
NSN 6620-00-557-3508
NSN 5985-01-216-2320
NSN 4140-01-575-2758