NPT Adapter 1/4" NPT Female x 1/2" NPT Male with Max Working Pressure of 15,000 PSI
 
First Thread: 1/2" Male
First Port: 1/4" Female
Thread Type: All Threads are NPT
Max Working Pressure: 15,000 PSI (1,035 Bar)
Material: Cold-formed AISI316 stainless