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 5950-01-410-7685
NSN 5925-01-343-0831
NSN 5999-00-802-1785
NSN 4140-01-350-4725
NSN 5998-00-201-9850
NSN 5920-01-481-5839
NSN 5915-00-389-1126
NSN 6645-01-463-4314
NSN 5835-00-833-7080
NSN 6130-01-170-6504
NSN 5905-01-262-7329
NSN 5910-00-599-8139