B-721-O-H Fabco Pancake series Pneumatic cylinder

Fabco B-721-O-H Single-acting (spring-retract) pneumatic cylinder actuator with single rod + standard cover -(Pancake original series) - 3" (B3") bore - 3/4" (S3/4") stroke - 1/2-20 UNF-2B female threaded rod-end - 1/8" NPT threaded pneumatic port - rated for -25...+250°F / -31...+121°C ambient - round cylindrical shape - clear anodized Aluminium body / hard Chrome-plated stainless steel piston rod / standard Buna-N seals - through-hole mounting - rated for 3psi...500psi