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 5905-00-687-1629
NSN 5985-00-212-7690
NSN 6135-01-543-1263
NSN 5910-01-086-7859
NSN 5895-01-488-6686
NSN 5905-00-900-2089
NSN 5996-01-076-7374
NSN 6135-01-386-5709
NSN 6130-01-584-4523
NSN 6645-01-440-7145
NSN 4140-00-008-4912
NSN 5920-01-225-0440