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 5905-00-402-7554
NSN 5998-01-318-8133
NSN 5915-00-882-9456
NSN 7035-01-580-8525
NSN 6320-01-607-0347
NSN 5945-01-073-8077
NSN 5945-00-087-9724
NSN 5835-00-179-8451
NSN 6105-00-752-1636
NSN 5925-00-456-0651
NSN 4140-00-485-6958
NSN 6620-01-462-0001