Iron 4 1/2" NH / NST Fire Hydrant Cap Pick One Side_6 inch Designed to give maximum protection

Designed to give maximum protection against backflow caused by back-pressure or back-siphonage from a cross-connection wherein a contaminant hazard exists (i

Do not use in connection with drinking water

a non-hazard)

Lock lever mounted with 18-8 stainless steel shoulder bolt

Every halligan bar is drop forged with high carbon steel and fully heat treated with zinc plating

Iron 4 1/2" NH / NST Fire Hydrant Cap Pick One Side_6 inch Designed to give maximum protectionHeavy duty 4 1 2 inch replacement iron fire hydrant cap with NH NST threads including chain. Pentagonal in shape. The most common size and threads for US fire hydrants is 4 1 2 inch NH NST.