S-44665K255 1.38" ID x 1 21/32" OD x 11" Long ASTM B241 Standard-Wall Aluminum Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Seamless 6061 aluminum construction eliminates weak points for superior pressure handling and leak prevention in demanding air, oil, and water applications.
• Precision NPT threading on both ends ensures reliable, tight seals with compatible female NPT fittings, reducing installation time and potential fluid/gas leaks.
• ASTM B241 compliance guarantees material integrity and dimensional accuracy, providing consistent performance and interchangeability in industrial systems.
• RoHS 3 (2015/863/EU) compliance meets stringent environmental regulations, making it suitable for global supply chains and environmentally conscious projects.
• Standard-wall Schedule 40 design with 0.14" wall thickness offers optimal balance between strength and weight, resisting deformation under pressure while remaining lightweight.
• 11-inch length with 1.38" ID provides versatile spacing and flow capacity for plumbing, pneumatic, and hydraulic configurations requiring specific connection distances.
• Male threaded both ends design simplifies installation between female ports, streamlining assembly in maintenance and new construction applications.

Professional Applications & Engineering Value

This 1 1/4 NPT Schedule 40 aluminum threaded pipe nipple solves critical engineering challenges in industrial fluid and gas systems. The seamless 6061 aluminum construction prevents failure points common in welded pipes, ensuring reliable performance with air, oil, and water under fluctuating pressures. Its NPT thread type maintains consistent sealing in vibration-prone environments, while the ASTM B241 compliant aluminum alloy offers excellent corrosion resistance for extended service life in plumbing, compressed air lines, and hydraulic applications. The standard-wall design provides the durability needed for Class 125/150 systems without unnecessary weight, making it ideal for both fixed installations and equipment requiring frequent reconfiguration.

Specification Summary & Compliance

This aluminum threaded pipe nipple maintains precise NPT thread dimensions per industry standards, with 1 1/4 pipe size and Schedule 40 wall thickness (0.14") ensuring proper fitment. Manufacturing follows ASTM B241 specifications for aluminum alloy pipes, guaranteeing material composition and mechanical properties. The product is RoHS 3 (2015/863/EU) compliant, containing no restricted hazardous substances, and is engineered for use with aluminum fittings rated for Class 150 service and aluminum flanges for Class 125 applications.