Aeroquip FCV1220 #12 AQP Socketless Hose 20′ Air Brake Compressor Discharge Hose. EST, MON to FRI. Brake > Electrical Connectors > Air Brake Compressor Discharge Hose Connector. Aeroquip FCV1220 #12 AQP Socketless Hose 20. Aeroquip – FCV1220 – #12 AQP Socketless Hose 20′ – Hose – AQP Socketless Hose – 12 AN – 20 ft – Rubber – Blue – Each.