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 5915-01-114-9072
NSN 5965-01-332-6693
NSN 5920-01-374-9244
NSN 6150-00-865-7685
NSN 6685-01-380-2014
NSN 6220-00-375-0473
NSN 7035-01-222-1484
NSN 4140-00-179-3977
NSN 6150-01-449-5467
NSN 6135-00-080-9176
NSN 5895-00-597-8725
NSN 5965-01-510-3456