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 5835-01-478-0157
NSN 5960-01-130-4992
NSN 5935-00-031-4549
NSN 5998-01-550-7861
NSN 6685-01-484-2690
NSN 6130-00-549-2607
NSN 5915-01-442-4245
NSN 6685-01-383-6522
NSN 6645-00-505-6026
NSN 6130-01-629-7468
NSN 6645-00-312-6866
NSN 5920-01-502-7510