AQ115A; AQ115B; AQ130; AQ130A; AQ130B; AQ130C; AQ130D; AQ165A; AQ170A; AQ170B; AQ170C; AQD21A; BB115A; BB115B; BB115C; BB165A; BB170A; BB170B; BB1 Miscellaneous Equipment Coupling Flange for Reverse Gear with 4'' Propeller Shaft Flange: 827956 Parts on group Coupling Flange for Reverse Gear with 4'' Propeller Shaft Flange: 827956: Pos. Part No Qty Parts name Comments 1. For reduction reverse gear ratio 1,91:1., 40mm hole for propeller shaft., Repl by 828209 2. 959256 [8] Hex. socket screw 3. 955676 [4] Hexagon screw 7. 955882 [4] Nut 8. 907833 [4] Split pin Parts catalog : Coupling Flange for Reverse Gear with 4'' Propeller Shaft Flange: 827930 Coupling Flange for Reverse Gear with 4'' Propeller Shaft Flange: 827927 Separate Exhaust Outlet and Water Intake: MD21 Separate Exhaust Outlet and Water Intake: A Propeller Shaft Stuffing Box: 828527 Propeller Shaft Stuffing Box: 828526 Coupling Flange 4'': 828209 Coupling Flange 4'': 828210 Coupling Flange 5'': 828390 Coupling Flange 5'': 827957 Coupling Flange 5'': 828145 Coupling Flange 5'': 828147