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 5930-01-189-0827
NSN 4140-00-684-7314
NSN 5930-01-610-1315
NSN 6320-00-546-9249
NSN 5990-01-417-4402
NSN 5999-01-304-7152
NSN 5998-01-502-6954
NSN 6145-01-059-0398
NSN 5910-01-109-7487
NSN 5855-01-581-4629
NSN 4140-00-555-3856
NSN 5999-01-035-9817