S-44665K147 1.38" ID x 1 21/32" OD x 3 1/2" Long ASTM B241 Standard-Wall Aluminum Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with 6061 aluminum construction for extended service life in demanding air, oil, and water systems.
• Reliable leak-free connections ensured by precision-machined NPT male threads on both ends for a secure, tight seal.
• Exceptional structural integrity from seamless construction, eliminating weak points and enhancing pressure containment.
• Industry-standard compatibility with Schedule 40 piping systems, facilitating easy integration and replacement.
• Optimized flow efficiency with a consistent 1.38" inner diameter, minimizing pressure drop in fluid and pneumatic applications.
• Enhanced safety and environmental compliance by meeting RoHS 3 standards, ensuring safe use in regulated industrial environments.
• Robust wall thickness (0.14") provides excellent durability and resistance to mechanical stress and vibration.

Professional Applications & Engineering Value

This seamless 6061 aluminum threaded pipe nipple is engineered to address common industrial challenges such as corrosion, leakage, and system failure in compressed air, hydraulic oil, and water pipelines. Its NPT threaded both ends design ensures a precise, secure fit that withstands vibration and pressure fluctuations, reducing maintenance downtime. The Schedule 40 dimensions and ASTM B241 compliance guarantee consistent performance in high-demand settings, from manufacturing plants to fluid power systems. By utilizing aluminum material, it offers a lightweight yet durable alternative to steel, preventing galvanic corrosion when paired with compatible aluminum fittings and flanges. Ideal for air, oil, and water applications, this nipple delivers long-term reliability and efficiency in industrial piping networks.

Specification Summary & Compliance

This product adheres to ASTM B241 specifications for aluminum pipe, ensuring material quality and performance. It features standard NPT (National Pipe Taper) threads for reliable sealing in Class 150 and 125 systems. Dimensions include a precise 1.38" ID, 1 21/32" OD, and 0.14" wall thickness, conforming to Schedule 40 tolerances. The nipple is RoHS 3 (2015/863/EU) Compliant, meeting environmental and safety regulations for hazardous substance restrictions.