Nipple, Pipe Connection Type Threaded on Both Ends, Pipe Schedule 40, Galvanized Steel, Pipe Weld Type Continuous Weld, Pipe Size - Nominal 1 1/2 in, Overall Pipe Length 2.5 in, Pipe Thread Type MNPT x MNPT, Max. Pressure 150 psi @ 150 Degrees F, Inside Dia. (In.) 1.61 in, Outside Dia. (In.) 1.9 in, Wall Thickness (In.) 0.145 in, Metal Detectable Yes, Standards ASTM A-53 Type F, ASTM A733, Grade A