This union connects 1/16” to 1/32” OD tubing, with zero-dead-volume fittings at each end. It has an internal bore size of 1/32” and is made of PEEK.
Bulkhead versions are designed to be mounted through an instrument panel or on a bracket. The panel hole diameter is 5/16” for this union and the bulkhead nut is on the side with the internal fitting.
It comes with one 1/16” fingertight nut and one 1/32" fingertight nut that have male (external) threads.