1" NPT Male Chicago Air Coupling Twist Lock Claw Style Universal Ductile Iron

1" Male NPT Chicago Air Fitting Ductile Iron Pipe This is a universal 1" NPT male chicago air coupling made from ductile iron that can be used for a wide variety of applications. These universal fittings work great for applications that are using air or water but are not recommended for use with steam or hydraulic lines. If you have any questions about the sizing or anything else, don't hesitate to contact us. Specifications: • Material: Iron • Total Length: 2-5/8" • Thread Size: 1" Male NPT • Internal Diameter (Narrowest Point): 0.85" • Rubber Grommet Ensures a Leak Proof Seal • Part Number: 66008 Note: 1" NPT measures about 1.25" in diameter.