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 6220-01-563-9517
NSN 5996-01-344-2160
NSN 5925-00-578-4774
NSN 5930-00-933-0177
NSN 6620-00-189-0967
NSN 5945-01-256-3148
NSN 5910-01-278-9950
NSN 4140-01-525-7296
NSN 5930-00-051-6383
NSN 5996-00-456-0895
NSN 6645-01-599-2311
NSN 6650-01-599-9849