A FRIEND OF MINE VOLUNTEERS WITH A LOCAL FIRE DEPARTMENT IN A SMALL TOWN. THE TRUCK USED BY THE GROUP IS A SPARTAN MOTORS FIRE TRUCK SOLD IN 1994. WHILE TESTING THE HOSES BETWEEN THE TRUCK OUTLET AND A HOSE, THE HOSE COUPLING BROKE LOOSE AFTER IT HAD BEEN LOCKED WITH "STOPS', WITH THE INTERNAL CIRCULAR RING CONNECTION QUITE LITERALLY BROKEN IN OPPOSITE LOCATIONS ON THE HOSE CONNECTIONS (STOLZ COUPING). HE WAS SERIOUSLY INJURED AND WANTS TO KNOW IF ANY OTHERS HAVE BEEN SIMILARLY INJURED.*JB