USA Industrials - Aluminum Pipe Fittings; Material Grade: Class 150 - 28845691 - MSC Industrial Supply
Amazon.com: LisylineAuto 2 Pack 3/8" NPT Weld On Bung Aluminum Pipe Thread Pipe Fitting Adapter Car Accessories,Use With Fuel, Oil, Gas and Water : Automotive
Pipe Fitting - Aluminum - Class 150 - Tee - 3/4" NPT Female
Amazon.com: Structural Pipe Fitting, DIY Outdoor, Use Imagination -1-1/2"Tee-E Short, 3T-8, Aluminum Magnesium, Note: ID of fitting is 1.925, to take nominal 1-1/2" steel pipe which all have an OD of 1.9". :
Amazon.com: EVIL ENERGY 3/4" NPT Weld On Bung Female Pipe Threaded Fitting Aluminum 2PCS : Automotive