Brass 2 1/2" Female NYC to 2 1/2" Male NH (Hex) Storz Size_6" Rigid Storz 11 1/2 threads per inch

11 1/2 threads per inch and female 1 inch NPSH

check the female coupling for numbers or letters

This is the most common plug size in the US

military and marine hoses for the past 35 years

Brass 2 1/2" Female NYC to 2 1/2" Male NH (Hex) Storz Size_6" Rigid Storz 11 1/2 threads per inchFemale 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. New York Corporate Thread (NYC) is typically only found in parts of New Jersey and New York. This thread is NOT the same thread as the thread known as NYFD or FDNY thread, (New York Fire Department Fire Department of New York), which is also found in parts