Brass Hex 2 1/2" NH to 1 1/2" NPT Double Male Adapter Couplings_Brass the hardware includes "flat" steel

the hardware includes "flat" steel mounting bracket and the MIL SPEC spring mount

Aluminum storz mounting plate fits 4 and 5 inch adapters

7 1/2 threads per inch and male 1 1/2 inch NH

the most common size and thread type in most parts of the country

Equivalent part number - SM25F30T

Brass Hex 2 1/2" NH to 1 1/2" NPT Double Male Adapter Couplings_Brass the hardware includes "flat" steelMale to male adapters are used to bridge two female hose, pipe or valve fittings. Brass is commonly chosen for corrosion resistance, and is popular with chemical or salt water applications. Compatible part number DMH1525F 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