Plastic 1 1/2" Red Fire Nozzle With Bumper (NH) Male Threads_NH NPSH and NPT are more

NPSH and NPT are more common in industrial applications

Test Ratings (Water Only With Expansion Ring Couplings)

constructed of anodized aluminum

and the application

Compatible part number - DMH15F15F

Plastic 1 1/2" Red Fire Nozzle With Bumper (NH) Male Threads_NH NPSH and NPT are moreRed 1 1 2 inch combination nozzle has the option for either a fog pattern, straight stream or off. It is made out of polycarbonate with a brass stem in the middle. National Hose (NH) aka National Standard Thread (NST) is often referred to as fire hose thread as this is by far the most common thread in use today by fire departments. How we conducted our nozzle testing We used a Honda self priming water pump with a two inch inlet and a two inch outlet