316 -04 Male Joint Industrial Connection x 1/4 Female National Pipe Thread BulkheadThe 316 04 Male Joint Industrial Connection x 1 4 Female National Pipe Thread Bulkhead is a high quality, corrosion resistant fitting designed to provide a secure connection between two different types of threads: MJIC and FNPT. This bulkhead design allows this fitting to be mounted through a panel or wall, ideally for systems where parts need to be connected on both sides of a barrier. Built from stainless steel that offers long term durability and