A range of high quality JIC (AN) and Metric Male bulkhead adapters available in plated steel and stainless steel.
If a Lock nut is require please select the following from the Locknut link below
-3 Thread - 3/8 - 24 Right Hand
-4 Thread - 7/16 - 20 Right Hand
-6 Thread - 9/16 - 18 Right Hand