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 6650-01-312-9027
NSN 5935-01-332-2264
NSN 7035-00-403-5340
NSN 6130-00-151-5001
NSN 6110-01-367-5162
NSN 5915-00-142-6912
NSN 5910-01-540-5920
NSN 6220-01-183-7279
NSN 5910-00-106-6229
NSN 6645-01-495-0939
NSN 5945-00-570-9251
NSN 5905-01-101-0699