Aluminum 2 1/2" NH to 2 1/2" NPT Double Male Swivel / Rigid_Swivel Female They are usually labeled FDC

They are usually labeled FDC (Fire Department Connection) and/or AUTO SPKR (Automatic Sprinkler)

Kocheck heavy-duty 2 1/2 inch NH / NST swivel female inlet x (2) 1 1/2 inch NH / NST rigid male outlet ball valve

Removed from FDC with adjustable hydrant wrench

These kits are used when the threaded plugs or debris covers go missing and the brass female swivel fittings the plugs thread into also "disappear"

Red 4 1/2" male aluminum dry hydrant plug and chain with NH/NST threads

Aluminum 2 1/2" NH to 2 1/2" NPT Double Male Swivel / Rigid_Swivel Female They are usually labeled FDCAluminum adapters are fabricated from seamless extruded 6061 T6 aluminum and hard coat anodized per MIL A 8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Adapters and components meet the requirements of NFPA 1963. The Safe Water Drinking Act section 1417 requires "Lead Free" products to be a minimum of 99. 75% lead free. Aluminum Male to