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 6650-01-200-2286
NSN 5895-01-278-5729
NSN 6620-00-571-8157
NSN 6320-01-172-6103
NSN 7035-01-361-8821
NSN 2925-01-363-1805
NSN 6220-00-432-6145
NSN 5905-00-064-0010
NSN 7035-01-461-7742
NSN 6135-00-635-9187
NSN 5960-00-228-5985
NSN 6240-01-553-9555