1/4" FNPT P style plugs are made of case hardened steel and plated to resist rust. These plugs have a maximum working pressure of 300 PSI.
Product Features:- 3/8" Basic flow size
- Maximum inlet pressure 300 pounds per square inch
- 1/4" Female national pipe thread
- Air flow of 68 standard cubic feet per minute
- Maximum temperature of 250 degrees Fahrenheit