The CD21NR-BR is a dome-style cable fitting featuring a 3/4" NPT thread. It is engineered to accommodate and secure cables with an outer diameter ranging from 0.35 to 0.63 inches (9 to 16 mm). The fitting requires a clearance hole of 1.05 inches (26.7 mm) for mounting and has a body height of 0.98 inches (25 mm) with a thread length of 0.51 inches (13 mm). This component is ideal for providing a sealed and strain-relieved cable entry point in enclosures, junction boxes, and industrial equipment.