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 5965-01-168-8180
NSN 5998-01-222-1085
NSN 5855-01-027-1571
NSN 6220-01-578-5868
NSN 5998-01-634-0604
NSN 5855-01-634-0259
NSN 5996-01-410-6984
NSN 5910-01-180-1729
NSN 5925-01-435-9492
NSN 6650-01-483-0938
NSN 6150-01-120-4310
NSN 6645-01-099-6887