Hoses (NH vs NPSH)

The most common thread type in use by fire departments today is NST or National Standard Thread. It is often referred to as “fire hose thread”.

Female NPSH Internal Expansion Fire Hose Fitting

Aluminum 2 1/2 Storz x 2 1/2 Male NH Thread

Adapter 1.5 NPSH x 1.5 NH, Kochek

What is the purpose of lugs on a fire hose coupling? - Quora

2 NPSH Female X 1 NPSH Male Adapter Aluminum –, 45% OFF

Which size of coupling are the outlets on most fire hydrants sized

2 NH (NST) Male x 2 NPSH Male Adapter Aluminum –

Why are only threaded fittings and grooved couplings used in fire

Red 2 Plastic Fire Nozzle (NPSH)

What is the differences of NH / NST / NPSH Thread

NNI 1-1/2 NST (NH) x NPSH Fire Hose Double Female Swivel Adapter - Granith

Hose Adapter Measurements