30 Jul Vonberg Hydraulic Cartridge, Velocity Fuse ORB Style 12.0 GPM 3/4-16 UNF -8 SAE
I am not affiliated with Vonberg, nor am I a hydraulics expert. These parts are a custom variant of Vonberg's 21800 Series. The datasheet from the base series will get you most of the specs. Sealing - O-Ring on Body (ORB) Style....