Aluminum 2 1/2" Swivel Female NH to 3" Male NH Female Size_1 1/2 Inch Equivalent part number - FM15F15S

Equivalent part number - FM15F15S

while the other knob is spring loaded

Adapters and components meet the requirements of NFPA 1963

CAGE Code: 81349

Aluminum 2 1/2" Swivel Female NH to 3" Male NH Female Size_1 1/2 Inch Equivalent part number - FM15F15SNote 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 connection (FDC), hose coupling or an adapter check the female coupling for stamped numbers and letters. Most 3. 0 inch hoses use 2. 5 inch NH NST couplings. The most common fire fitting thread in the United States is 2 1 2 inch NH NST. If you have two swivel female FDC brass connections that need plugs measure the INSIDE