Aluminum 3" NH to 2 1/2" NH Double Male Female Threads_NYC Aluminum plugs are fabricated from

Aluminum plugs are fabricated from seamless extruded 6061-T6 aluminum and hard coat anodized per MIL-A-8625 Type III

For use in shallow stream installations where water level can fluctuate

Carbon Steel 4" Flange x 6" Male NH

Attaches to hydrant end of hose and need not be removed when charging the line

Male 1 1/2 inch NH

Aluminum 3" NH to 2 1/2" NH Double Male Female Threads_NYC Aluminum plugs are fabricated fromAluminum 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. Note 3 inch NH NST is very rare and is often confused with 2. 5 inch NH NST which is very common. If you have a fire department