3 Inch NPT 316 Stainless Steel Threaded Half Coupling Weld On Pipe Tube Bung Fitting For Home Brewing Auto Shop Industrial Aerospace Machined Surfaces 150 PSI Pressure Rated

3-Inch FNPT 316 SS Half Coupling Bung, Weld-On, 150 PSI
✔️ 316 SS, 3" FNPT thread, weld-on bung with flat face, 150 PSI rating

This 3-inch threaded half coupling (bung) is cast from 316 stainless steel and finished with machined surfaces. It's built for leak-proof threaded connections in automotive, brewing, industrial, and aerospace applications.

✅ Size: 3" FNPT (76.2 mm)
✅ Material: 316 Stainless Steel
✅ Production: Cast & Machined Surfaces
✅ Outside Diameter: 3.95" (100.33 mm)
✅ Thread Inside Diameter: 3.29" (83.57 mm)
✅ Height: 1.41" (35.81 mm)
✅ Weight: 654 g
✅ Standards: ASTM A865; ASME B1.20.1

💡 What is a 3 inch FNPT stainless steel half coupling used for in industrial piping?

- Handy for creating leak-proof threaded connections in automotive, brewing, industrial, and aerospace pipelines. - 316 stainless steel provides corrosion resistance in wet or aggressive environments. - Weld-on flat-face on one end and tapered lip on receiving end makes threading easier. ✝️