Brass 2 1/2" Female NH / NST to 3/4" Male NPT (Hex) Female Size_2 Inch Collar screws take a 5/16

Collar screws take a 5/16 inch allen wrench

The male threaded side of this adapter will only connect to a 4 inch female National Pipe Tapered (NPT) or a National Pipe Straight Hose (NPSH) thread

Meets National Fire Equipment System (NFES #0857)

Heavy duty 1 1/2 inch brass combination nozzle with full rubberized bumper has the option of a straight stream or fog pattern and simple twist shutoff

Brass 2 1/2" Female NH / NST to 3/4" Male NPT (Hex) Female Size_2 Inch Collar screws take a 5/16Female 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. Equivalent part number FM25F75T 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 Female to Male