We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

Image not available
LEGRISNylon & Nickel-Plated Brass Tube Fittings

LEGRIS Push-to-Connect x MNPT Tube Fitting

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

Also listed as: 31210814 · 3121-08-14

Brand
LEGRIS
Item
Push-to-Connect x MNPT Tube Fitting
Category
Nylon & Nickel-Plated Brass Tube Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

LEGRIS
Manufacturer Part Number
3121 08 14
Type
Push-to-Connect x MNPT, Brass, Silver, 10 PK

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

LEGRIS Products
3G Electric (S) Pte. Ltd. — Singapore

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 LEGRIS
Pneumatic actuator speed control — LEGRIS miniature flow control valve 7665 04 10 for meter-out regulation on 4 mm tubing
Compressed air isolation for maintenance — LEGRIS lockout valve 7886 11 11 for 1/8 in NPT systems
Fluid shutoff in water or oil lines — LEGRIS brass ball valve 0492 07 17 with 3/8 in FNPT connections
Push-to-connect air distribution — LEGRIS nylon ball valve 7915 56 11 for 1/4 in tubing with male NPT adapter
Safety lockout on BSPP pneumatic circuits — LEGRIS lockout valve 7880 10 17 for 3/8 in BSPP systems
Compact on/off control in tight spaces — LEGRIS nylon ball valve 7913 56 00 with push-to-connect ports for 1/4 in tubing

LEGRIS 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from LEGRIS

View all LEGRIS parts
This LEGRIS tube fitting is a BSPP male thread x push-to-connect adapter, made of nickel-plated brass with a silver finish. It connects 3/8 mm pipe to 10 mm OD tubing, enabling quick, tool-free assembly in pneumatic and fluid systems
LEGRIS
This LEGRIS tube fitting is a BSPP male thread x push-to-connect adapter, made of nickel-plated brass with a silver finish. It connects 3/8 mm pipe to 10 mm OD tubing, enabling quick, tool-free assembly in pneumatic and fluid systems
This nylon and nickel-plated brass tube fitting connects 8 mm OD tubing to a 1/8" male BSPP threaded port. The push-to-connect design enables tool-free installation for pneumatic or low-pressure fluid systems. Supplied as a 10-pack
LEGRIS
This nylon and nickel-plated brass tube fitting connects 8 mm OD tubing to a 1/8" male BSPP threaded port. The push-to-connect design enables tool-free installation for pneumatic or low-pressure fluid systems. Supplied as a 10-pack
This nylon and nickel-plated brass tube fitting features a BSPP threaded end and a push-to-connect port for 4 mm OD tubing. It is used in pneumatic and fluid systems to connect threaded ports to tubing without tools
LEGRIS
This nylon and nickel-plated brass tube fitting features a BSPP threaded end and a push-to-connect port for 4 mm OD tubing. It is used in pneumatic and fluid systems to connect threaded ports to tubing without tools
This LEGRIS wye fitting is made of nylon and nickel-plated brass with Tube x Tube x Push-to-Connect ends. It accommodates 8 mm OD, 10 mm OD, and 8 mm OD tubing. Supplied as a 10-pack, it is used to create branch connections in pneumatic or low-pressure fluid systems
LEGRIS
This LEGRIS wye fitting is made of nylon and nickel-plated brass with Tube x Tube x Push-to-Connect ends. It accommodates 8 mm OD, 10 mm OD, and 8 mm OD tubing. Supplied as a 10-pack, it is used to create branch connections in pneumatic or low-pressure fluid systems
This nylon and nickel-plated brass tube fitting is a 90-degree elbow with a Push-to-Connect connection for 1/2 in OD tubing and a 1/4 in FNPT thread. It is used in pneumatic and fluid-handling systems for tool-free, leak-free connections in confined spaces
LEGRIS
This nylon and nickel-plated brass tube fitting is a 90-degree elbow with a Push-to-Connect connection for 1/2 in OD tubing and a 1/4 in FNPT thread. It is used in pneumatic and fluid-handling systems for tool-free, leak-free connections in confined spaces
This push-to-connect union fitting connects two 1/2 in OD tubes without tools. Constructed of nylon and nickel-plated brass, it is suited for pneumatic and fluid systems requiring secure, leak-free connections. Supplied in a 10-pack
LEGRIS
This push-to-connect union fitting connects two 1/2 in OD tubes without tools. Constructed of nylon and nickel-plated brass, it is suited for pneumatic and fluid systems requiring secure, leak-free connections. Supplied in a 10-pack
This push-to-connect tube fitting connects 3/8 in OD tubing to 1/2 in FNPT ports. Made of nylon and nickel-plated brass with a silver finish, it enables tool-free assembly for pneumatic or low-pressure fluid systems. Supplied in a 10-pack
LEGRIS
This push-to-connect tube fitting connects 3/8 in OD tubing to 1/2 in FNPT ports. Made of nylon and nickel-plated brass with a silver finish, it enables tool-free assembly for pneumatic or low-pressure fluid systems. Supplied in a 10-pack
This 10-pack of tube fittings features a push-to-connect design for 5/32 in OD tubing and a male universal (MUNF) port with #10-32 thread. The nylon body with nickel-plated brass construction offers corrosion resistance. Overall length is 1 3/32 in. Commonly used in pneumatic systems for connecting tubing to threaded ports
LEGRIS
This 10-pack of tube fittings features a push-to-connect design for 5/32 in OD tubing and a male universal (MUNF) port with #10-32 thread. The nylon body with nickel-plated brass construction offers corrosion resistance. Overall length is 1 3/32 in. Commonly used in pneumatic systems for connecting tubing to threaded ports