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 6610-00-779-8197
NSN 5915-01-029-0801
NSN 6320-01-519-8767
NSN 5930-01-387-7672
NSN 6150-00-661-0184
NSN 5999-00-932-4588
NSN 5996-01-188-7548
NSN 5905-00-534-4500
NSN 6150-01-226-5804
NSN 6145-01-050-7531
NSN 2925-01-408-6205
NSN 6645-01-433-6999