ACFT MODEL HH65A ENGINE ANTI-ICING VALVE HOT AIR;O/A LENGTH 2.617 IN.;O/A DIA.1.854 IN.;INCLUDES TWO HOSE FITTINGS OF DIFFERENT SIZES;TWO DRILLED HOLES FOR MOUNTING 0.280 IN.DIA.;ONE DRILLED HOLE ON ONE SIDE 0.505 IN.DIA;0.469 IN.HOLE DEPTH;HEIGHT 0.781 IN.