Pad Assembly, Parachute Back'. Part no. AN42D2013. Olive drab duck cotton canvas back pad filled with bound horseshair. Webbing straps with press stud and 'lift-the-dot' fasteners. This pattern superseded part no. 38J4508, 'Cushion - parachute back pad' c. 1942. These were used on the 24' and 28' seat type parachutes, the S-1 and AN6510-1 seat type parachutes and will fit other harnesses. It is in very good used condition. Ideal to complete your harness. Stock code S24236.