Norgren M02260403 Pneufit M Push-in Fitting - 4mm Port, M3
Part Number: M02260403
Quick Summary
Pneufit M Push-in Fitting from Norgren delivers fast, tool-free connections for compressed-air systems. It is designed for tight automation environments where space is at a premium. In many lines, installation time and sealing reliability are persistent pains; this model addresses them with a compact profile, reliable silicone-free U-packing, and a releasable stainless-steel grab ring. This family aligns with common industrial approvals such as CE marking and protective IP expectations, while its nickel-plated brass body and PBT housing resist corrosion for long service life. By combining simple assembly with proven materials, it supports rapid deployment, reduced maintenance, and consistent performance across PA2 tubing and 4 mm piping.
Product Information
Extended Description
M02260403 Norgren: Pneufit M fittings are ready to use, offering fast assembly with no need for tools and providing optimum flow | Pneufit M is an ultra compact alternative when space is at a premium | Releasable stainless-steel grab ring to grip nylon or polyurethane tube (85 or 95 durometer) | Nickel plated brass components provide corrosion and contamination resistance and an extended life | Pre-applied thread sealant on all taper threads provides optimum rapid sealing | Internal and external hexagons on straight fititngs | Immediate quality sealing using silicone free U-packing | Mounting holes on all union fittings
Medium
Compressed air
Operating Temperature
-20 ... 60 °C, -4 ... 140 °F
Operating Pressure
0 ... 10 bar, 0 ... 145 psi
Port Size
4mm, M3
O/D Tube
4 mm
Thread
M3
Shape
Straight
Materials - Body
Plastic PBT
Materials - Seals
Nitrile rubber
Dimensions - Height
8.8 mm
Dimensions - Length
18 mm
Dimensions - Width
8.8 mm
Weight
0.005 kg
Country of Origin
South Korea
Range
M0126, M0226
Series
Pneufit M
Brand
IMI Norgren
PA2-0004100
Polyamide tube, Natural, 100m, 4mm/2.5mm
PA2-0004025C
Polyamide tube, Natural, 25m, 4mm/2.5mm
Tool-free, push-in operation is the core advantage of Pneufit M fittings. By removing assembly steps, install times shrink and labor costs drop on automated lines. Core applications include compact pneumatic manifolds, robotic actuation lines, and panel-mounted air circuits in manufacturing cells. It also features a releasable stainless-steel grab ring to grip nylon or polyurethane tubes, which simplifies maintenance and allows safe, repeatable disconnections when configurations change. The nickel-plated brass body delivers corrosion resistance suitable for harsher environments, extending service life and reducing replacement intervals. A pre-applied thread sealant on taper threads provides rapid, leak-free sealing, while silicone-free U-packing ensures clean, immediate seals in sensitive environments. Internal and external hexes on straight fittings enable reliable tightening, and mounting holes on all union fittings simplify secure installation in control panels. Compatibility with PA2 tubes confirms broader system integration, including PA2-0004100 and PA2-0004025C lines. The Pneufit M range is purpose-built for space-constrained automation where performance cannot be compromised.
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FAQs
The M02260403 accepts 4 mm O/D tubing and is designed for PN2-000 tubes in the PA2 family, including PA2-0004100 (100 m) and PA2-0004025C (25 m) natural tubing. Tubing can be nylon or polyurethane (85–95 durometer). It uses a releasable stainless-steel grab ring for secure grip and supports 4 mm O/D with an M3 thread. Ensure a clean, square cut for proper seating and insert to the recommended depth. Regular inspection and re-seating are advised after disassembly.
Yes. This push-in adaptor is designed for compressed air with an operating temperature range of -20 to 60 °C (-4 to 140 °F) and an operating pressure range of 0 to 10 bar (0 to 145 psi). It uses nitrile seals and a PBT body with nickel-plated brass components, delivering reliable performance in typical automation environments while maintaining seal integrity across cycling conditions.
Installation is tool-free for the push-in portion; simply insert the 4 mm O/D tube into the fitting until seated. The taper threads are pre-sealed with thread sealant to resist leaks. Tighten the connection using the available hex features on the fittings when required, and verify seating with a quick pressure test. The silicone-free U-packing provides immediate sealing, while the stainless-steel grab ring allows easy removal.
Absolutely. The Pneufit M line is designed for compact installations, with an overall footprint that suits tight panels and routing. The straight adaptor uses a 4 mm port and M3 thread in a slim 8.8 mm high by 18 mm length footprint, enabling flexible layouts in control cabinets, robotic cells, or mini-manifolds without compromising flow or sealing integrity.
Official CAD models and the datasheet are available from Norgren’s resources. You can access CAD files via the dedicated product page and the Datasheet PDF from Norgren’s site. These resources provide expanded dimensional data, functional notes, and installation guidelines to support engineering validation and BOM planning.