1/4 Female Pipe Thread x 1/2 Male Pipe Thread Brass Bulkhead and NutThe 1 4 Female Pipe Thread x 1 2 Male Pipe Thread Brass Bulkhead and Nut is a high quality, corrosion resistant fitting designed for secure fluid or air connections through tanks, panels, or walls. This bulkhead fitting allows for a leak proof transition between internal and external piping systems and includes a brass nut for a secure hold. Specification Details TYPE Male Pipe Thread Brass Bulkhead and Nut DESIGN Leak Proof Bulkhead Connection