Butt-Weld Adapter Fitting Side A Connection Type Compression Fitting Side B Connection Type Butt Weld Fitting Material Stainless Steel Fitting Side A Tube Outer Diameter 1/4 in Fitting Side B Tube Outer Diameter 1/4 in Material Grade 316 Maximum Operating Pressure 10 300 psi Maximum Operating Temperature 1 200 Degrees F Overall Length 1 15/32 in Specific Fitting Shape Straight Adapter Compatible Fitting Brands A-LOK Thread Size A 7/16-20 Series A-LOK System of Measurement Imperial