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 6620-01-112-6440
NSN 6620-00-193-9503
NSN 6220-00-558-2147
NSN 7035-01-562-3101
NSN 5930-00-281-4686
NSN 5915-00-994-0541
NSN 5996-00-791-0703
NSN 6610-00-931-3656
NSN 6620-01-538-7174
NSN 5975-01-525-3170
NSN 7035-01-099-8145
NSN 5915-01-605-2623