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 6685-01-072-1955
NSN 5910-00-548-1739
NSN 6650-01-424-0762
NSN 5996-01-507-1515
NSN 6110-01-433-2694
NSN 6610-01-207-0045
NSN 6645-01-343-1676
NSN 5990-01-162-9220
NSN 6620-01-177-5567
NSN 5895-01-361-9003
NSN 5935-00-554-0244
NSN 5915-00-772-6669