Round Cap 4 in Nominal Pipe Size Stainless Steel 316L Class Class 150 For Pipe Schedule 40 Female NPT 4 in Outside Diameter 51.9 mm Overall Length 300 psi Maximum Operating Pressure 150 psi Max Steam Pressure -20 Degrees to 350 Degrees F Includes Pre-Applied Thread Sealant No Includes Seal No 8 Magnetic No