Hellermanntyton metallic conduit fittiings with metallic overbraid pcsb fm hellermann tyton 166 33810 the hellermanntyton 166 33810 pcsb20 is a conduit fitting with an pg16 fixed external thread for metallic conduit from the pcsb fm series the fitting comprises of two parts the shell and the body the connector has been manufactured from nickel plated brass hellermanntyton 166 33810 pcsb20 fm pg16 conduit fitting ip54 pg16 169mm