A-A-52485B, COMMERCIAL ITEM DESCRIPTION: VALVE, RELAY EMERGENCY: BREAKAWAY AIR BRAKE (11-JUL-2013)

A-A-52485B, COMMERCIAL ITEM DESCRIPTION: VALVE, RELAY EMERGENCY: BREAKAWAY AIR BRAKE (11-JUL-2013)., This CID covers air operated relay emergency valve used in vehicle air brake systems referred to herein as relay valve.