S-44665K316 3.068" ID x 3 1/2" OD x 5 1/2" Long ASTM B241 Standard-Wall Aluminum Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Seamless 6061 aluminum construction ensures superior pressure integrity and eliminates weak points for reliable performance in demanding applications.
• NPT threads on both ends provide a secure, leak-resistant connection with standard aluminum fittings and flanges, simplifying installation.
• Compatible with air, oil, and water systems, offering versatile utility across multiple industrial fluid and pneumatic transfer applications.
• Manufactured to ASTM B241 specifications, guaranteeing consistent material quality, dimensional accuracy, and mechanical properties.
• RoHS 3 (2015/863/EU) Compliant, meeting stringent environmental regulations for use in regulated markets and sustainable operations.
• Standard-wall Schedule 40 design delivers an optimal balance of strength and flow capacity for Class 150 fittings and Class 125 flange systems.
• Precision male threaded ends ensure a perfect fit with female NPT ports, reducing the risk of cross-threading and connection failure.

Professional Applications & Engineering Value

This 3" Schedule 40 aluminum threaded pipe nipple is engineered to address common challenges in industrial piping, such as corrosion, weight, and connection reliability. The seamless construction from 6061 aluminum provides excellent resistance to oxidation and galvanic corrosion, making it ideal for long-term service with air, oil, and water. Its NPT threads on both ends ensure a tight seal, critical for maintaining system pressure and preventing leaks in aluminum fittings (Class 150) and flanges (Class 125). By specifying this ASTM B241 compliant component, engineers achieve a lightweight yet durable solution that enhances system longevity and reduces maintenance cycles in HVAC, process manufacturing, and fluid power applications.

Specification Summary & Compliance

This pipe nipple conforms to ASTM B241 for material and manufacturing standards, ensuring high-grade 6061 aluminum quality. The NPT (National Pipe Taper) threads provide standard compatibility and sealing performance. Dimensions include a 5 1/2" length, 3.068" ID, and 3 1/2" OD with a 0.216" wall thickness per Schedule 40. The product is RoHS 3 (2015/863/EU) Compliant, adhering to restrictions on hazardous substances for environmental safety and regulatory acceptance.