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 5960-01-386-5770
NSN 6105-01-200-2918
NSN 5998-00-866-1128
NSN 5975-00-528-9774
NSN 5945-00-362-7192
NSN 6240-01-485-7739
NSN 6645-01-076-4655
NSN 6645-01-605-1485
NSN 5965-01-432-1943
NSN 5945-01-114-5518
NSN 7035-00-126-1899
NSN 6240-00-156-1607