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 5950-00-720-2706
NSN 5915-01-076-3958
NSN 5985-01-055-8117
NSN 5996-01-007-2147
NSN 5965-01-316-4429
NSN 5920-01-564-1894
NSN 5835-00-185-4919
NSN 6320-00-343-1798
NSN 5855-01-149-4110
NSN 5910-01-514-3771
NSN 5965-00-773-9047
NSN 5990-00-304-7038