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 6240-01-623-3798
NSN 2925-00-138-5542
NSN 6145-01-214-4016
NSN 5920-00-480-1228
NSN 5920-01-183-6329
NSN 5999-01-508-6817
NSN 5985-00-428-1379
NSN 5990-01-465-9235
NSN 5996-01-432-0117
NSN 6650-00-885-3775
NSN 6320-00-456-2092
NSN 5975-00-865-3537