Finger guards DC Dimensions (unit: mm) 127 mm sq., o175 mm type 127 mm sq. type Model no. Surface treatment Mass (g) 109-722 Nickel-chrome plating (silver) 43 109-722H Cation electropainting (black) Model no. Surface treatment Mass (g) 109-723 Nickel-chrome plating (silver) 34 Outlet side Inlet side, Outlet side 3.2 -10 o1.6 o1.6 o1.6 19 o1 1650.5 4.30.2 142 1650.5 o1 19 +0.4 4.3 -0.2 o24.6 o1.6 ) (o60 o160.5 o160.5 5 -10 Mounting example Axial fan Centrifugal fan Hexagonal nuts Fan Finger guard Hexagonal nuts Plain washers Inlet nozzle Spring washers Finger guard Screws Plain washers Fan Chassis Spring washers Screws AC