Aluminum 3" Female Camlock x 3" Male NPT Female Size_4 Inch Two types of threads are

Two types of threads are used:

Fits most pin racks

which is also found in parts of New York City

The hose is coupled with brass garden hose threaded couplings complete with gasket and fitted with strain reliefs inside the ferrules to protect the hose

This cap features an 9 inch chain for a secure connection to the wall or equipment

Aluminum 3" Female Camlock x 3" Male NPT Female Size_4 Inch Two types of threads areGlobal type "B" aluminum 3 inch female camlock (Cam & Groove) coupler to 3 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 inch male camlock The male threaded side of this adapter will only connect to a 3 inch female National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread, for example, PVC or