Plastic 4" Female Camlock x 4" Male NPT Threads_NPSH x NPSH This is the most common

This is the most common replacement plug in the US

All parts meet or exceed NFPA requirements

National Stock Number (NSN 4210-00-294-2648)

Storz spanner wrench fits 1 1/2"

You should end with the nozzle end on top and a female coupling on the bottom

Plastic 4" Female Camlock x 4" Male NPT Threads_NPSH x NPSH This is the most commonType "B" polypropylene 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