844D-B4AC1DS - 844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1/2 Inch, Tether, 1/2 in. bolt on a 7.25 in. dia. B.C. (to fit 8.5 in. NEMA C face), 10 Pin Connector, 5V DC In, 5V DC DLD Out (3487), 4096 Pulses Per Revolution

844D-B4AC1DS - 844D Hollow Shaft Incremental Encoders, Rear (Through-Shaft), 1/2 Inch, Tether, 1/2 in. bolt on a 7.25 in. dia. B.C. (to fit 8.5 in. NEMA C face), 10 Pin Connector, 5V DC In, 5V DC DLD Out (3487), 4096 Pulses Per Revolution