Hex Nut 1/2 POLY-FLO NUT ONLY

Hex Nut, Connection Size: 1/2 in, Connection Type: Flareless, Brass, 0.42 in L, 0.81 in Hex, For Use With: Aluminum, Copper Tubing, Hard Plastic Tubing with Brass Sleeve, 300 psi, -65 to 250 deg F, Additional Information: Poly-Flo, 11/16-20 Thread Size, 0.049 in Tube Wall, 0.040 lb Weight