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 6685-01-557-3344
NSN 4140-01-394-5304
NSN 6650-01-383-2163
NSN 5855-00-198-3197
NSN 6620-01-411-0390
NSN 6110-01-012-1759
NSN 4140-00-892-2136
NSN 5925-01-487-6830
NSN 5965-01-562-5830
NSN 5920-01-634-0250
NSN 5965-01-215-3184
NSN 5985-01-277-6991