The TECHSPAN RDC21NA-GR is a durable dome connector designed for reliable cable management. Featuring a 3/4 NPT connection, this grey connector is constructed from Polyamide 6 (Nylon) and includes an NBR O-ring for a hermetic seal. It offers excellent protection with IP68, 5 Bar, and IP69K ratings, making it suitable for demanding environments. The connector is designed to accommodate cable diameters from 0.51 to 0.71 inches and operates effectively within a wide temperature range.This TECHSPAN RDC21NA-GR is a dome connector with a 3/4 NPT thread size. It is made from PA (NYLON), UL 94 compliant material and features an NBR O-ring for hermetic sealing. The protection degree is rated at IP68, 5 Bar, and IP69K. The working temperature range is -40°C to 100°C in a static state with instantaneous heat resistance up to 120°C, and -20°C to 80°C in a dynamic state with instantaneous heat resistance up to 100°C. The connector is designed for cable diameters ranging from 0.51 to 0.71 inches.