Aluminum 4" Male Camlock x 6" Female NPT Length_100 Feet The 3111 model with 2½"

The 3111 model with 2½" NH threads (7

The Knox 1½" FDC Lock is a locking cap that protects fire department connections from vandalism and keeps them free of debris

Brass 1 1/2 inch female NPSH to (2) male garden hose thread (GHT) adapter with shut-off valve

Equivalent part number - FM15NYFD15F

Aluminum 4" Male Camlock x 6" Female NPT Length_100 Feet The 3111 model with 2½"Global type "A" aluminum 4 inch male camlock (Cam & Groove) coupler to 6 inch female 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 a 4 inch female camlock The female threaded side of this adapter will only connect to a 6 inch male National Pipe Tapered (NPT), for example, PVC or metal pipe fitting How it works To make a