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 5905-01-534-4615
NSN 5895-01-318-3374
NSN 5925-01-335-4902
NSN 6610-00-408-4775
NSN 5999-00-148-4310
NSN 6645-01-170-5402
NSN 5965-01-449-1101
NSN 5895-01-250-4916
NSN 5905-01-196-3557
NSN 6110-01-616-2492
NSN 5965-01-295-1125
NSN 5835-00-912-5656