Western CGA-347 Hand Tight Regulator Nipple measuring 1/4" NPT Male X 3" is made of stainless steel and has a pressure of 3001 - 5500 psig.
Caution
Safety First Western strongly encourages users of compressed gases to adhere to all safety guidelines and practices. Only an absolute and constant respect for compressed gases is acceptable for safe operations. Refer to the Western safety products such as check valves, flash arrestors, and relief valves.