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 5915-01-099-3676
NSN 5965-00-791-0964
NSN 5895-00-270-6595
NSN 6145-01-592-5741
NSN 6645-01-246-2725
NSN 5996-00-438-7532
NSN 6130-00-954-0103
NSN 5920-00-122-0334
NSN 6620-00-974-6795
NSN 5925-01-135-5272
NSN 5985-00-256-2078
NSN 6620-00-832-2556