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 5998-01-659-6830
NSN 6240-01-039-2125
NSN 5910-01-485-3636
NSN 6135-01-074-8220
NSN 5930-01-076-4114
NSN 5945-01-068-3503
NSN 5915-01-432-2326
NSN 6620-01-152-9453
NSN 5996-01-569-0431
NSN 6610-01-199-4795
NSN 5910-00-089-6376
NSN 5999-00-333-9620