Merchant Coupling Carbon Steel Not Applicable ASTM A865 Class Class 150 For Pipe Schedule 40 3/4 in Female NPSC 3/4 in -14 3/4 in Female NPSC 3/4 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