Thread Coupling Connector Name: Thread Coupling Connector Type: Thread Coupling Content: Design according to Mil-DTL-5015H, qualified to NFF61-030 French Rail Car Norm relevent requests. Details: Technical Data Design to MIL-DTL-5015HHalogen free & fire resistance thermoplastic material to UL94V-0Operating Temperature: -55℃~+125℃Salty Spray Corrosion: >96 hoursWrong coupling preventProtection Degree IP65、IP67