165 PSI 3/8" male NPT air compressor safety relief pop-off valve. This valve is UV/NB certified. The relief pressure of this valve is accurate within + or - 3% of the set pressure.

Specifications:

• 165 PSI
• 145 SCFM
• Threads: 3/8" Male NPT (measure about 5/8")
• Total Valve Length: 1-3/4"
• Installation Wrench Size: 11/16"
• Max Temp: 250°F
• Solid Brass Construction
• Made In The USA