A fluid delivery device and system is operable to fluidly couple a pair of fluid delivery conduits. One embodiment includes a fluid delivery device sized to meet ANSI/AAMI ID54:1996(R) 2005 and not mate with ANSI/HIMA MD70.1 or ISO 594/1 and ISO 594/2 standards for intravenous ports and connectors to prevent accidental intravenous delivery of fluids intended for enteral delivery. The system includes at least one of a locking tab and a stop flange configured to not mate with matching connectors not configured to satisfy the enteral feeding standards and not specifically configured to mate with the fluid delivery device.