Product Information Description: Hammer union nut replacement Used on: Flange adapters Material: Forged Steel Select a Product Part NumberStyleSizeWorking Pressure HU100600RNFigure 1006"1000 PSI CWP HU100800RNFigure 1008"1000 PSI CWP HU200400RNFigure 200/2064"2000 PSI CWP HU200600RNFigure 200/2066"2000 PSI CWP HUS500RNFigure 505"500 PSI CWP HU200800RNFigure 200/2068"2000 PSI CWP