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 6320-01-267-0586
NSN 5950-01-412-0262
NSN 5985-01-336-1690
NSN 6145-01-626-6521
NSN 6620-01-386-5543
NSN 5935-00-161-9791
NSN 6645-01-111-1144
NSN 6610-01-581-3692
NSN 6650-01-382-0234
NSN 6645-01-513-3071
NSN 5915-01-532-2057
NSN 5996-01-218-4246