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 6685-00-814-4117
NSN 5895-01-557-2899
NSN 5975-01-350-3425
NSN 5998-00-923-8437
NSN 5950-01-578-8337
NSN 6105-01-608-1110
NSN 6145-00-296-0085
NSN 5985-01-639-8150
NSN 5996-01-066-0335
NSN 6650-01-364-8504
NSN 5975-01-541-1940
NSN 6135-01-540-9655