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 5945-01-232-9799
NSN 6220-01-435-8169
NSN 5945-01-566-2971
NSN 6620-00-064-3598
NSN 5960-01-550-8038
NSN 5920-00-857-6413
NSN 6150-00-431-0116
NSN 6220-01-645-2625
NSN 4140-00-846-4786
NSN 5855-01-247-0012
NSN 6135-01-441-5746
NSN 5905-01-557-5395