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 5999-00-158-5118
NSN 6610-01-584-8767
NSN 6620-01-377-0414
NSN 5950-01-480-9164
NSN 6130-01-389-2802
NSN 5895-01-483-1412
NSN 6685-00-019-9061
NSN 6320-00-483-0451
NSN 5895-01-147-4869
NSN 2925-01-320-6512
NSN 5998-00-892-8438
NSN 7035-01-592-7756