LEGRIS Push-Fit Fitting: 5/16 in OD x 1/4 in Pipe Size, Push-to-Connect x MNPT
The LEGRIS Push-Fit Fitting (MPN 3121 08 14) is a nylon and nickel-plated brass tube fitting in a push-to-connect x MNPT configuration, sized for 5/16 in OD tube and 1/4 in pipe. Supplied as a 10-pack in silver, this…
SKU 3G-OTH-492322
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Product Description
The LEGRIS Push-Fit Fitting (MPN 3121 08 14) is a nylon and nickel-plated brass tube fitting in a push-to-connect x MNPT configuration, sized for 5/16 in OD tube and 1/4 in pipe. Supplied as a 10-pack in silver, this fitting is part of our broader industrial offering across 14 departments, with specialist depth in pneumatics and controls as an authorised distributor for brands like Festo and LEGRIS.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a LEGRIS Push-Fit Fitting used for?
A LEGRIS Push-Fit Fitting connects 5/16 in OD nylon or polyurethane tubing to a 1/4 in male NPT port in pneumatic systems. It provides a quick, leak-free seal without tools, ideal for industrial automation, packaging, and material handling applications across 14 departments.
What are the specifications of the LEGRIS 3121 08 14 fitting?
The LEGRIS 3121 08 14 is a push-to-connect x MNPT fitting for 5/16 in OD tube and 1/4 in pipe size. It is made of nickel-plated brass and nylon, supplied as a 10-pack in silver. This fitting is part of our pneumatics and controls specialist offering alongside brands like Festo.
Where to buy LEGRIS push-fit fittings worldwide?
3G Electric supplies LEGRIS push-fit fittings worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine parts like the 3121 08 14 to your facility. Contact us for a quote and lead time on your order.
How to install a LEGRIS push-to-connect fitting?
To install a LEGRIS push-to-connect fitting, cut the tube square, push it fully into the collet until it stops, then pull back slightly to lock. For the MNPT end, apply thread sealant and tighten to 1.5 bar max. Always depressurize the system before disassembly.
Used in
Common applications for LEGRISLEGRIS Products
3G Electric supplies LEGRIS nylon & nickel-plated brass tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.








