Brass 2" NPT to 1 1/2" NPSH Double Male (Hex) Female Size_4 1/2 Inch NH or NST: National hose

NH or NST: National hose or national standard thread is often referred to as fire hose thread as this is by far the most common thread in use today by fire departments

The majority of customers who order 2" NH / NST need 1

Fish & Wildlife Service (USF&WS)

Compatible part number - DMH3025

Brass 2" NPT to 1 1/2" NPSH Double Male (Hex) Female Size_4 1/2 Inch NH or NST: National hoseMale to male adapters are used to bridge male to female hoses, pipes or valve fittings. Brass is commonly chosen for corrosion resistance, and is popular with chemical or salt water applications. Compatible part number DMH2015 WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling. Brass Male to Male Adapter