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 6645-00-596-5388
NSN 5930-00-276-5567
NSN 6110-01-423-8273
NSN 6130-00-688-7085
NSN 5998-01-113-3564
NSN 4140-00-860-0090
NSN 5996-00-504-6761
NSN 6105-00-179-9863
NSN 5920-00-952-4080
NSN 6110-01-109-8767
NSN 5835-01-436-6549
NSN 5925-01-577-3392