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 5950-00-450-0268
NSN 6650-00-717-8913
NSN 6320-01-478-9351
NSN 7035-01-478-0212
NSN 6650-01-027-7165
NSN 6650-01-437-9265
NSN 6610-00-553-5103
NSN 5960-00-085-3995
NSN 5855-01-366-2429
NSN 6145-00-973-5628
NSN 5910-00-878-3065
NSN 6150-01-023-7710