Aluminum Locking 4" Female Camlock x 4" Male NPT (USA) Hose Size (ID)_1 3/4" Hoses The most common fire hydrant

The most common fire hydrant outlet in the USA is 2 1/2 inches with NH / NST threads

Lightweight and compact enough to carry in a hip pocket or on a belt loop

Pentagonal in shape

Compatible part number - HA25NYFD25F

Aluminum Locking 4" Female Camlock x 4" Male NPT (USA) Hose Size (ID)_1 3/4" Hoses The most common fire hydrantGlobal type "B" aluminum 4 inch female camlock (Cam & Groove) coupler to 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 4 inch male camlock The male threaded side of this adapter will only connect to a 4 inch female National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread, for example, PVC or