Quote Originally Posted by ToddLV
From the McMaster-Carr website I found the following information:

There are two main types of fire hose thread. NH (National Hose) , also known as NST (National Standard Thread) is the most common; it is not compatible with any other thread. NPSH (National Pipe Straight Hose) is also a popular choice; female NPSH threads are compatible with male NPT and NPSM (National Pipe Straight Mechanical) threads
Thanks for all of this great information - I found a similar item on eBay for less money and will see how it works.
I got this fire hose at a garage sale for $10, which is similar to what McMaster-Carr sells for over $100.