The ZORO SELECT - 40FC111N038 is a stainless steel coupling that provides a straight-through connection between two pipes/tubes. This fitting supports applications involving air, natural gas, non-potable water, oil, potable water, and steam. Constructed of 304 stainless steel, it features female NPT connections on both ends, each with a nominal pipe size of 3/8 inch and 18 threads per inch. Rated for Class 150 pressure and a maximum operating pressure of 300 psi, it conforms to ASTM-A-351 material standards, ASME B1.20.1 thread specifications, and MSS-SP-114 Class 150 pressure requirements. Key Features: - Material: 304 Stainless Steel- Type: Coupling with female NPT connections on both ends- Nominal Pipe Size: 3/8 inch per side- Thread Size: 18 threads per inch- Pressure Rating: Class 150, 300 psi maximum operating pressure- Applications: Air, natural gas, non-potable water, oil, potable water, steam- Standards: ASTM-A-351, ASME B1.20.1, MSS-SP-114 Class 150- Overall Length: 28.5 mm- Color: Silver- Includes no pre-applied thread sealant or seal- Low Lead Compliance: Compliant