Rugged air-line connections built for the jobsite. The Foster 3L60G is a 3/8″ plug from the 3FRL Series, which interchanges with Hansen 3/8″ 3RL couplers. It uses an automatic push-to-connect ring-lock design with high flow capacity — and critically, will not disconnect when the hose is dragged across the ground. Rated to 300 PSIG.
Specifications
- Brand: Foster
- Series: 3FRL (Hansen RL Interchange)
- Part Number: 3L60G
- Interchange: Hansen 3/8″ 3RL
- Body: 3/8″ Plug
- Thread: 1/2″ Hose ID
- Type: One-Way Shut-Off
- Operation: Automatic push-to-connect; twist locking sleeve ~20 degrees to release
- Locking: Ring lock – will not disconnect if hose is dragged on the ground
- Valve: Ball check
- Flow: High flow capacity
- Material: Steel (zinc plated)
- Seal: Buna-N (Nitrile)
- Max Working Pressure: 300 PSIG
- Quantity: 1pc
- Origin: Made in USA
Why this plug
- Interchanges with Hansen 3/8″ 3RL — which means it couples with the widely used Hansen RL air coupler system.
- Ring-lock, push-to-connect — which means fast one-handed connection; rotate the sleeve about 20 degrees to release.
- Will not disconnect when dragged — which means the ring lock holds even when the hose is pulled across the ground, a key jobsite advantage.
- High flow capacity — which means strong air delivery to tools.
- Ball check valve — which means reliable shut-off on disconnect.
Frequently asked questions
What does this interchange with?
Hansen 3/8″ 3RL couplers. Only same-interchange 3FRL halves connect.
Why a ring lock?
The ring lock prevents accidental disconnection when the air hose is dragged on the ground — ideal for construction and outdoor work. Rotate the sleeve ~20 degrees to release.
What pressure is it rated for?
300 PSIG max working pressure.
Built for demanding air-tool and jobsite use. Pair this plug with a matching 3FRL (Hansen RL) socket.
Why buy from hpcouplers: Foster quality, responsive US-based support, accurate specs, fast shipping.
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