Description
When you’re connecting hydraulic lines and the threads don’t match, this straight adapter gets you back to work fast. It bridges the gap between ORB (O-Ring Boss) fittings and standard NPT pipe threads—a common mismatch that stops work cold until you’ve got the right adapter. This fitting handles the heavy-duty pressure your hydraulic system demands while keeping connections leak-free.
What You’re Getting
- Heavy-duty construction rated for 4000 PSI operating pressure
- Female 3/4-16 ORB connection on one end for O-ring sealed fittings
- Female 1/2-14 NPTF on the other end for standard pipe thread connections
- Straight-through design maintains direct flow path with minimal pressure drop
- 1-inch hex for solid grip during installation and removal
Built for Real Farm Work
This adapter handles the demanding hydraulic systems found on modern tractors, combines, and implements. Whether you’re plumbing a loader, connecting remote hydraulics for a hay baler, or setting up hydraulic power for a post driver, this fitting bridges different thread standards that show up when mixing equipment brands or connecting aftermarket components.
Made to Last
The 4000 PSI pressure rating means this adapter won’t be the weak link in your hydraulic system. AgSmart builds these fittings to handle the pressure spikes and constant vibration that come with field work. Quality materials and precision threading ensure connections stay tight and leak-free through seasons of hard use.
Good to Know
The ORB end uses an O-ring seal (not included), while the NPTF end relies on thread sealing compound or tape for a tight seal. Make sure you’ve got the right O-ring size for your ORB connection—a poor seal here will leak no matter how tight you get it. The 1-inch hex gives you plenty of grip for proper installation without overtightening.






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