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 6320-00-681-1324
NSN 6105-01-019-1435
NSN 6150-00-596-9253
NSN 6240-01-188-7282
NSN 6645-01-311-0492
NSN 5905-01-258-5755
NSN 5996-01-071-4828
NSN 6650-01-160-9160
NSN 6650-01-290-4001
NSN 6240-01-212-5567
NSN 5930-01-078-4696
NSN 6110-01-170-5995