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 5996-01-485-7918
NSN 5998-00-215-6563
NSN 6645-01-074-4063
NSN 6150-01-351-5455
NSN 6110-01-573-4203
NSN 6135-00-057-2005
NSN 6645-01-556-5263
NSN 5999-00-868-6756
NSN 6130-01-576-7509
NSN 5998-01-599-8676
NSN 5855-01-069-1341
NSN 5895-00-065-1960