Midland Metal 18031 Plug, 5/8 in Compression, Brass

Plug, Connection Size 1: 5/8-in, Connection Type 1: Compression, Brass, 13/16-18 Thread, For Use With: Copper, Aluminum and Thermoplastic Tubing, 0.45-in L x 0.72-in W, 150 psi, -65 to 250 deg F