Aluminum 2" Female NPT to 1 1/2" Male NPSH Male Size_2 Inch you probably need this plug

you probably need this plug

Number of Folds (Approximately)

If your FDC or female swivel inside diameter is approx

The most common size and threads for US fire hydrants is 4 1/2 inch NH / NST

Threads per Forest Service Spec 5100-190

Aluminum 2" Female NPT to 1 1/2" Male NPSH Male Size_2 Inch you probably need this plugAluminum 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 Female to