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 5945-01-116-7440
NSN 5950-00-083-6660
NSN 5910-01-608-3772
NSN 6685-01-607-2810
NSN 5999-01-623-8836
NSN 7035-00-991-6877
NSN 6145-00-076-9324
NSN 6320-00-004-9158
NSN 6320-01-462-3555
NSN 5855-00-832-9341
NSN 5990-01-074-6549
NSN 5950-01-659-1928