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 5945-00-801-3197
NSN 5905-01-360-2653
NSN 6135-00-309-0074
NSN 6620-01-431-9176
NSN 5996-01-500-1830
NSN 4140-00-032-5739
NSN 7035-01-008-7248
NSN 6320-01-332-1977
NSN 6110-00-257-1446
NSN 4140-01-007-7336
NSN 6610-00-594-6372
NSN 5935-00-130-5834