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 4140-01-328-6356
NSN 6650-01-314-9979
NSN 5990-00-115-5851
NSN 5925-01-377-1132
NSN 5985-01-104-4324
NSN 5835-00-898-0201
NSN 5965-01-507-3576
NSN 5935-00-014-1056
NSN 5915-00-370-0389
NSN 6610-01-425-1523
NSN 5915-01-552-6356
NSN 5910-01-602-6583