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 6645-01-505-5772
NSN 6145-01-316-1544
NSN 5950-01-409-2785
NSN 6135-01-180-9611
NSN 5930-01-061-7026
NSN 5999-01-190-9495
NSN 5985-00-473-2161
NSN 5990-01-240-1100
NSN 5935-01-483-1681
NSN 5990-00-332-9426
NSN 5895-01-462-4503
NSN 5905-01-605-2401