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 5925-00-206-1754
NSN 5998-01-628-8387
NSN 5855-01-144-2939
NSN 5935-00-845-9594
NSN 5855-00-228-8446
NSN 6650-01-426-4253
NSN 5960-00-233-5488
NSN 5960-01-262-9175
NSN 6220-01-512-2028
NSN 6650-00-067-3572
NSN 5915-01-230-4518
NSN 5945-01-629-8336