905467
Febco: 4" -First or Second Check Disc Assembly for an LF850 / 856ST / LF856 / LF870 / LF876 / 876VST Double Check {OR} LF860 / LF866 / LF880V / LF886V Reduced Pressure Zone Assembly
Kit Includes: Check Disc Assembly, Nut, Washer, and Cover O-Ring