Russell 634203 Twist-Lok Hose #8 Black 25ft Air Brake Compressor Discharge Hose. EST, MON to FRI. Brake > Electrical Connectors > Air Brake Compressor Discharge Hose Connector. Russell 634203 Twist-Lok Hose #8 Black 25ft. Russell – 634203 – Twist-Lok Hose #8 Black 25ft – Hose – Twist-Lok – 8 AN – 25 ft – Reinforced Rubber Hose – Black – Each.