Aluminum 1 1/2" NH to 1" NPT Double Male Inlet Threads_Storz If your FDC is approx

If your FDC is approx

Screw in the set screw

This 24606 hose features 2 1/2 inch brass couplings and orange abrasion impregnation

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

Aluminum 1 1/2" NH to 1" NPT Double Male Inlet Threads_Storz If your FDC is approxAluminum 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