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 5920-00-391-6252
NSN 6610-00-963-9435
NSN 5950-00-278-4186
NSN 6240-01-398-2887
NSN 6650-01-520-8701
NSN 4140-01-519-5537
NSN 5996-01-128-1786
NSN 6610-00-826-7235
NSN 6220-00-610-9103
NSN 5920-01-093-1081
NSN 6645-00-810-7229
NSN 5835-00-401-8655