AMC 700066-0806 Coupling, 1/2 in Compression x 3/8 in FNPTF, Brass

AMC® Coupling, Connection Size 1: 1/2 in, Connection Type 1: Compression, Connection Size 2: 3/8 in, Connection Type 2: FNPTF, Lead-Free Brass, 11/16-20 x 3/8-18 Thread, For Use With: Copper, Aluminum or Plastic Tubing, -40 to 250 deg F