Hellermanntyton conduit fittings with fixed external thread hgl s straight hellermann tyton 166 21614 the hellermanntyton 166 21614 hgl42 s is a straight fitting with an m36 external thread and belongs to the hgl s series this one piece connector has been manufactured from polyamide 66 pa66 the connector is highly resistant to solvents and oils and is supplied complete with a conduit seal and washer hellermanntyton 166 21614 hgl42 s pg36 ip68 straight conduit fitting pg36 355mm