This is an adjustable JIC reducing nipple with G and UNF threads. Zinc-coated steel fittings provide some corrosion resistance, but are not meant for corrosive environments. HD-seal The seal material is hd-seal. The maximum operating pressure is 275 bar (3863.75 psi).
Specifications
Thread : UNF 9/16-18
Thread (smaller) : 1/2 inch
Dash Size : 6
Connection type : Inner thread flare (UNF),Outer thread cylindrical BSPP-G
Material : Steel
Seal material : HD-seal
Max pressure at 20 °C (bar) : 275
Fitting features : Adjustable,Reducing
Material connection 1 : Steel
Material connection 2 : Steel
Shape : Straight
Surface protection connection 1 : Galvanic zink plated
Surface protection connection 2 : Galvanic zink plated

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