Aluminum 3" Male Camlock x 3" Male NPT Male Size_1 Inch The double ended spanner fits

The double ended spanner fits 1″

Spanner Wrench is strong

Lock Lever Spring is 316 stainless wire passivated AISI 316

It is always best to verify thread type with the local fire department as some are only slightly different than "standard"

Aluminum 3" Male Camlock x 3" Male NPT Male Size_1 Inch The double ended spanner fitsGlobal type "F" aluminum 3 inch male 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 male side of this adapter will only connect to 3 inch female camlock The male threaded side of this adapter will only connect to a 3 inch female National Pipe Tapered (NPT) or a National Pipe Straight Hose (NPSH) thread, for example, PVC or