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 5895-01-600-9860
NSN 5990-01-343-6407
NSN 6620-01-271-8984
NSN 5915-01-371-2906
NSN 5999-01-516-2661
NSN 6620-00-067-4946
NSN 6135-01-531-1413
NSN 5930-01-476-9676
NSN 6645-00-608-7756
NSN 5950-00-008-0403
NSN 6685-01-157-9340
NSN 4140-00-209-2231