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 5965-00-557-3816
NSN 5975-01-118-6249
NSN 6105-01-103-3127
NSN 5855-01-550-1057
NSN 6110-01-250-3636
NSN 5945-00-837-9081
NSN 5960-01-215-0992
NSN 5835-01-115-6067
NSN 6220-01-181-9945
NSN 6650-00-051-9911
NSN 6685-01-612-8027
NSN 2925-01-026-1000