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 5855-01-604-0801
NSN 7035-01-412-8322
NSN 6320-01-648-5538
NSN 6620-00-527-9280
NSN 6135-00-170-8819
NSN 6130-01-607-5838
NSN 5895-01-454-8433
NSN 4140-01-644-5478
NSN 5990-01-591-8797
NSN 6105-00-925-2226
NSN 5965-01-320-0260
NSN 2925-01-100-3694