Nipple Application Air Natural Gas Oil Potable Water Steam Material Red Brass Maximum Operating Temperature 400 Degrees F Maximum Steam Pressure 125 lb Minimum Operating Temperature -20 Degrees F Nominal Pipe Size 1/2 in Outside Diameter 5/8 in Overall Length 4 in Schedule Schedule 40 Side A Connection Type Threaded Side A Gender Male Side A Thread Type NPT Side B Connection Type Threaded Side B Gender Male Side B Thread Type NPT Standards ASTM B62