Norgren M02250305 Pneufit M Push-in Fitting - 3mm M5 Straight
Part Number: M02250305
Quick Summary
Pneufit M Push-in fitting provides tool-free, reliable pneumatic connections for compact compressed-air lines used in automation equipment. This model simplifies installation and reduces downtime by eliminating screwdrivers and leak-prone manual fittings. In regulated environments, verify common industry certifications such as CE marking, RoHS compliance, and IP protection levels, as these influence safety and durability in harsh factory conditions. The Pneufit M design is ultra-compact, with a releasable stainless-steel grab ring for nylon or polyurethane tubing, pre-applied thread sealant for rapid sealing, and silicone-free U-packing for stable performance. The M02250305 variant features a 3 mm O/D tube, M5 thread, and straight configuration, making it ideal where space is at a premium and reliability matters. For OEMs and maintenance teams, this enables easier field assembly and longer service intervals.
Product Information
Extended Description
M02250305 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
3mm, M5
O/D Tube
3 mm
Thread
M5
Shape
Straight
Materials - Body
Plastic PBT
Materials - Seals
Nitrile rubber
Dimensions - Height
8.8 mm
Dimensions - Length
17.5 mm
Dimensions - Width
8.8 mm
Weight
0.004 kg
Country of Origin
South Korea
Range
M0125, M0225
Series
Pneufit M
Brand
IMI Norgren
PU2-0003025C
Polyurethane tube, Natural, 25m, 3mm/2mm
Pneufit M Push-in fittings deliver tool-free, reliable pneumatic connections for compact automated systems. The business impact is a reduction in installation time and a lower risk of leaks, translating to shorter changeovers and improved line uptime in tight spaces. This M02250305 variant uses a 3 mm O/D tube and M5 threading in a straight configuration, making it ideal for space-constrained panels and OEM installations where consistent seal integrity is critical. The releasable stainless-steel grab ring grips nylon or polyurethane tubing (85 or 95 durometer) securely, which reduces vibration-related loosening in harsh environments and supports long-term reliability on production lines. A nickel-plated brass body provides corrosion resistance, while pre-applied thread sealant on taper threads speeds up sealing during assembly, minimizing downtime and rework. Silicone-free U-packing supports clean airflow in sensitive pneumatic circuits and helps prevent contamination. The body is made from plastic PBT, and seals use nitrile rubber for robust chemistry compatibility, ensuring dependable performance across a range of compressed-air applications. This combination of compact footprint, strong sealing technologies, and durable materials aligns with demands from automation integrators and maintenance teams seeking predictable performance, reduced maintenance costs, and longer service life in industrial settings. The linked PU tubing (PU2-0003025C) offers a 25 m length of natural polyurethane tube suitable for 3 mm or 2 mm connections, enabling quick deployment across multiple stations and simplifying inventory management for spare parts.
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FAQs
To install, simply insert the 3 mm O/D tube into the push-in port until it seats against the internal seal. The stainless-steel grab ring offers secure retention for nylon or polyurethane tubing. If a release is needed, use the external hex region to disengage the grab ring and slide the tube out. Rely on the pre-applied thread sealant for quick, leak-free mating with the M5 taper thread. Ensure the tube length and insertion depth conform to the data sheet for optimal seal integrity.
This straight 3 mm O/D, M5 threaded fitting is ideal for space-constrained panels and OEM automation lines where compact, reliable connections are required. It supports standard compressed-air use at 0–10 bar and operates from -20 to 60 °C, making it suitable for equipment enclosures, robotics stations, and small pneumatic actuators. Its corrosion-resistant components and nitrile seals help maintain performance in typical factory environments.
No tools are required for the core connection. The Push-in design enables fast, tool-free assembly, while the pre-applied thread sealant speeds up sealing on taper threads. The external hex area supports any incidental hand tightening or reseating, and the stainless-steel grab ring keeps the tube secured, reducing the risk of leaks or disconnections during vibration or movement.
Regularly inspect for signs of wear or leaks at the seal interface and check the tubing for cracks or deformation. Replace nitrile seals if swelling or hardening occurs and verify the grab ring insurance against movement in high-vibration applications. Maintain cleanliness in the fitting window to avoid contamination, and ensure the pre-applied sealant remains effective during servicing. Consider replacing tubing at the accessory 25 m PU length (PU2-0003025C) if extended use in harsh environments is anticipated.
Yes, the Pneufit M system can use PU tubing, and the dedicated PU tubing option PU2-0003025C is listed as 25 m long of natural polyurethane, suitable for 3 mm or 2 mm connections. This provides flexible, long-run capabilities for multiple stations or extended lines, while maintaining consistent push-in performance and compatibility with the 3 mm O/D tubing used by the M02250305 fitting.