Nylon Push-Fit Hose Connector — + Shape / Y Shape / Y Reducing | 4mm–16mm Air Line Fitting

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Nylon Push-Fit Hose Connector — + Shape / Y Shape / Y Reducing | 4mm–16mm Air Line Fitting

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By HomeDIYer®

Fitting Type: "Y" Shape

Fitting Size: 4mm

Pack Quantity(Pcs): 1

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$1.75 USD

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In stock (500 units), ready to be shipped

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Nylon Push-Fit Hose Connectors — Reliable Inline Fittings for Air Lines & Pneumatic Tubing

If you've ever dealt with a leaking air line junction mid-project — or spent too long wrestling with barbed fittings and clamps — you know how much a clean, tool-free connection matters. These nylon push-fit hose connectors are built for DIYers, hobbyists, and workshop professionals who need fast, secure pneumatic connections without the hassle.

Each fitting is molded from durable nylon (polyamide) with an internal collet-and-O-ring mechanism. Available in three configurations — + Shape (cross), Y Shape (equal branch), and Y Shape Reducing (stepped branch) — and in sizes ranging from 4mm (approx 5/32") to 16mm (approx 5/8") for equal fittings, with reducing variants from 6mm–4mm–4mm up to 12mm–10mm–10mm. Sold in flexible pack quantities from 1 to 50 pieces.

Typical applications include air compressor line distribution, pneumatic control systems, aquarium and hydroponic tubing splits, and workshop air tool setups — anywhere you need a push-fit connector for air line tubing that installs in seconds and holds firm under pressure.

ℹ️ Compatibility: Designed for standard metric OD pneumatic tubing (polyurethane, nylon, polyethylene). Match the fitting size to your tubing's outer diameter. For reducing Y fittings, the first number is the main inlet; the two smaller numbers are the branch outlets.

✅ Key Features of These Nylon Push-Fit Pneumatic Connectors

🔧Tool-Free Installation — Push the tube in until it clicks; the internal collet grips the OD instantly. No clamps, thread tape, or wrenches needed — ideal for quick air line assembly.
🔀Three Fitting Configurations — Choose from + Shape (4-way cross), Y Shape (equal 3-way branch), or Y Shape Reducing (stepped 3-way branch) to match your pneumatic layout exactly.
📐Wide Size Range — Equal fittings from 4mm to 16mm OD; reducing Y fittings from 6mm–4mm–4mm to 12mm–10mm–10mm, covering most standard metric pneumatic tubing sizes.
🧱Nylon Body Construction — Lightweight yet tough polyamide body resists moisture, mild chemicals, and everyday workshop wear — suitable for both dry and humid indoor environments.
🔁Reusable & Releasable — Depress the collet ring to release the tube without damage. Fittings can be reused across multiple setups, reducing waste on iterative pneumatic builds.
📦Flexible Pack Quantities — Available in packs of 1 to 50 pieces per order, so you can grab a single replacement or stock up for a full workshop installation without overpaying.

📐 Technical Specifications — Nylon Push-Fit Pneumatic Fittings

Fitting Type	+ Shape (Cross), Y Shape (Equal), Y Shape Reducing
Material	Nylon (Polyamide) body; internal collet typically acetal; O-ring typically NBR
Connection Method	Push-fit (collet & O-ring), tool-free
Tubing Compatibility	Standard metric OD pneumatic tubing (PU, nylon, PE)
Equal Fitting Sizes	4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm OD
Reducing Y Sizes	6mm–4mm–4mm, 8mm–4mm–4mm, 8mm–6mm–6mm, 10mm–6mm–6mm, 10mm–8mm–8mm, 12mm–8mm–8mm, 12mm–10mm–10mm
Working Pressure	Typically up to 100–150 PSI (7–10 bar) at room temperature — contact us to confirm
Working Temperature	See variant options
Color / Finish	See variant options
Pack Quantity	1, 2, 3, 5, 8, 10, 20, 50 pcs (varies by fitting type and size)
Country of Origin	Contact us to confirm

⚠️ Note: Always verify your tubing's outer diameter before ordering. Tube OD and tube ID are different measurements — push-fit fittings size by outer diameter. If you're unsure, contact us before purchasing.

❓ Frequently Asked Questions

How do I choose the right fitting size for my hose?

Match the fitting size to your hose's outer diameter (OD). For example, a 6mm fitting accepts hose with a 6mm OD. If you're unsure, measure the outside of your tubing with calipers. Common size conversions: 4mm (approx 5/32"), 6mm (approx 1/4"), 8mm (approx 5/16"), 10mm (approx 3/8"), 12mm (approx 1/2"). For reducing Y fittings, the first number is the inlet and the two smaller numbers are the outlets.

What pressure rating do these push-fit connectors typically handle?

Nylon push-fit pneumatic fittings generally handle working pressures up to approximately 100–150 PSI (7–10 bar) at room temperature. Actual ratings may vary by size and application — contact us to confirm for your specific use case.

Can these fittings be used outdoors or in humid environments?

Nylon is generally resistant to moisture and mild corrosion, making these fittings suitable for indoor and sheltered outdoor use. They are not typically recommended for prolonged UV exposure or immersion in harsh chemicals. For demanding outdoor environments, consider stainless steel or brass alternatives.

Are these fittings compatible with standard pneumatic tubing?

Yes. These push-fit connectors are designed for standard metric OD pneumatic tubing (polyurethane, nylon, or polyethylene). They use a collet-and-O-ring mechanism that grips the tube OD — no tools or thread tape required. Always verify your tubing OD matches the fitting size selected.

What is the difference between the + Shape, Y Shape, and Y Shape Reducing fittings?

The + Shape (cross) fitting connects four hose lines at 90° angles. The Y Shape fitting splits one line into two at an angle, ideal for branching airflow evenly. The Y Shape Reducing fitting does the same but with different port sizes — for example, a 10mm inlet splitting into two 8mm outlets — allowing you to step down tubing sizes within a single fitting.

How do I release the tubing from a push-fit connector?

First, depressurize the line. Then press the collet ring (the outer ring around the tube entry) inward toward the fitting body while simultaneously pulling the tube out. No tools are needed. Avoid forcing the tube out without pressing the collet, as this can damage the fitting or O-ring.

What materials are these fittings made from?

The fitting body is made from nylon (polyamide), which offers a good balance of lightweight construction, chemical resistance, and durability for pneumatic applications. The internal collet and O-ring are typically made from acetal and NBR (nitrile rubber) respectively, providing a secure, leak-resistant grip on the tubing.

🛒 Select your fitting type, size, and pack quantity above, then add to cart — ships from our US warehouse.

Nylon Push-Fit Hose Connector — + Shape / Y Shape / Y Reducing | 4mm–16mm Air Line Fitting

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Description

Nylon Push-Fit Hose Connectors — Reliable Inline Fittings for Air Lines & Pneumatic Tubing

✅ Key Features of These Nylon Push-Fit Pneumatic Connectors

📐 Technical Specifications — Nylon Push-Fit Pneumatic Fittings

❓ Frequently Asked Questions

Nylon Push-Fit Hose Connector — + Shape / Y Shape / Y Reducing | 4mm–16mm Air Line Fitting

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