Pipe Nipple Pipe Size 3/4 In. Connection Threaded Length 18 In. Schedule 40 Material of Construction Galvanized Carbon Steel 0.824 Inside Dia (In.) 1.050 Outside Dia (In.) 0.113 Wall Thickness (In.) Compliance Certified For Use in Potable Water Applications Standards ASTM A-733 ASTM A-53 Federal Specification WWN 351