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 6150-01-280-5362
NSN 6320-00-174-1362
NSN 7035-00-104-7613
NSN 4140-01-588-6722
NSN 5996-01-129-9494
NSN 6645-01-551-6893
NSN 6620-01-183-5329
NSN 6150-00-010-7632
NSN 6145-01-540-7751
NSN 5990-01-352-5255
NSN 6110-01-487-6003
NSN 6240-01-492-2469