Merchant Coupling Carbon Steel Not Applicable ASTM A865 Class Class 150 For Pipe Schedule 40 1/2 in Female NPSC 1/2 in -14 1/2 in Female NPSC 1/2 in -14 Not Applicable Not Applicable Not Applicable Not Applicable Not Applicable Not Applicable Not Applicable Not Applicable Not Applicable Not Applicable Not Applicable Not Applicable 300 psi Maximum Operating Pressure