Double-acting single-rod tie-rod pneumatic cylinder actuator with magnetic band + built-in magnet - Numatics (NFPA Interchangeable line - A series) - 3-1/4" bore (B3-1/4") - 8" stroke length (S8") - Bottom tapped mounting - 3/8" NPTF threaded pneumatic ports x 2 (position 1) - 3/4-16 (male) threaded rod - Actuation force 830lbf (100psi relative working pressure; extend) / 751lbf (100psi relative working pressure; retract) - Rated for 250psi (max. operating pressure) - nitrile (self-lubricating carboxilated with PTFE compound) seals; piston; rod / hard coat anodized aluminium body / chrome-plated stainless steel piston rod; tie rod / aluminium alloy piston / aluminium (6061-T6) head; cap / graphite filled cast iron rod bushing - equivalent to part #S4AP08A1DASS2