Fitting Type: Bell Reducing Coupling threaded per ASME B1.20.1, Material: 316 Stainless Steel casting, MSS SP-114, Class: 150, NPT Thread Sizes: 1/4 x 1/8 inch NPT, Length A: 1 inch, Approximate Weight: 0.1 LBS
Click here for a specification sheet on class 150 316 stainless steel bell reduction couplings