The product is a 2" x 100' fire hose with a single jacket design, featuring 250 PSI aluminum national standard (NH) couplings. Made in the United States by the brand FM, this fire hose is a reliable and high-quality option for fire protection equipment. With a unit quantity of 1, this new hose is a durability and safety essential for various industrial and commercial applications.
NH / NST Threads
The most common thread type in use by United States Fire Departments today is National Hose (NH). It is also called National Standard Thread (NST) or National Hose Thread (NHT). It is often referred to as “fire hose thread”. NH, NST and NHT are different abbreviations for the exact same thread.
The female and male side of a fire hose coupling with NH threads will only connect to fittings, nozzles or hoses with the same threads. For example, a fire hose with NH threaded couplings will require a nozzle with NH threads.
National Hose (NH) is considered a “straight” thread which means the threads are consistent from tip to collar and the seal is made with the gasket inside the female coupling mating against the square face of the male coupling. The threads do not make the seal, they merely hold the two fittings tightly together. The size of an NH thread refers to the inside diameter of the waterway on a male coupling. For example 2.5" NH male fitting has a 2.5" waterway
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