This Aeroflow Performance high flow bulkhead fitting is designed for use in fuel cells.  They feature a radius on Inlet for unrestricted flow. Each bulkhead fitting includes 2 PTFE washers and a bulkhead nut. These fittings can also be used for adding a breather to a valve cover, or a drain on a fabricated tank whether it is a plastic or metal material. 

• Constructed from billet aluminum.

• Designed to suit a 14.2mm (9/16”) bulkhead hole.

• Male -6AN to -16AN

• Fits up to 6mm (1/4") thick material

• Bulkhead nut size O.D. is 22mm

• Overall length is 55mm