Aluminum 3/4" Female Camlock x 3/4" Male NPT (USA) Inlet Threads_GHT National Hose (NH) aka National

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

Brass couplings are almost never used in the fire service anymore

Aluminum 3 inch female camlock (Cam & Groove) coupler to 3 inch male camlock (Cam & Groove) coupler 90° elbow

When nitrile is modified by polyvinyl chloride (PVC) resins

Compact brass 1 1/2 inch industrial combination nozzle has the option of either a fog pattern or a straight stream

Aluminum 3/4" Female Camlock x 3/4" Male NPT (USA) Inlet Threads_GHT National Hose (NH) aka NationalGlobal type "B" aluminum 3 4 inch female camlock (Cam & Groove) coupler to 3 4 inch male NPT threads. Under no circumstances should cam and groove couplings be used for compressed air or steam service! Connections The female side of this adapter will only connect to 3 4 inch male camlock The male threaded side of this adapter will only connect to a 3 4 inch female National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread, for example,