Measuring NH (National Hose) and NST (National Standard) Threads NH (National Hose) threads, also referred to as NST (National Standard Thread), are the most common connections found on firefighting equipment such as hoses, nozzles, and hydrants. These threads are known for their durability, standar …

Exploring the Varieties of Fire Hoses: A Comprehensive Guide Fire hoses are the backbone of firefighting operations—whether in urban structure fires, wildland firefighting, or rural emergency response. As the lifeline that delivers water where it’s needed most, hoses come in different ty …