Working Temp (Pressure): -65 Degrees F To 250 Degrees F (1000 Psi).
Tighten A Minimum Of 2-1/2 Turns After Hand Tightening For Air Tight Seal. Threads Conform With The American Standard Taper Pipe Thread & Resist Vibration. Brass Coupling, Female (3/8-18 NPT), 1/bag AGS Brass And Steel Fittings Are Comprised Of Tube Nuts, Unions (Couplers), Adapters, Elbows, Tees, Bushings, Connectors, Grease, Etc. Recommended Uses Include Copper, Brass, & Iron.