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 6240-01-206-4809
NSN 6130-01-570-8392
NSN 5996-00-626-3766
NSN 5945-01-085-4825
NSN 6220-01-145-1183
NSN 5965-01-429-9777
NSN 5999-01-449-0418
NSN 6645-01-467-9983
NSN 5950-01-359-2601
NSN 5990-00-153-0055
NSN 6135-01-452-8999
NSN 4140-01-419-5976