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 5915-00-250-7912
NSN 6150-01-450-7322
NSN 7035-01-655-8893
NSN 6645-00-269-2764
NSN 5996-00-713-4013
NSN 5996-01-487-8782
NSN 5925-01-522-3360
NSN 5835-01-246-0972
NSN 5965-01-005-6617
NSN 6220-00-322-2678
NSN 6685-01-441-4170
NSN 6650-01-258-5871