Milton s-778, 1/4" FNPT A Style Plug (60 Packs of 2 pcs) 1/4" FNPT A Style Plug 1/4" FNPT A style plugs are made of case hardened steel and plated to resist rust. Maximum inlet pressure of 300 PSI. Has a push type sleeve release. Features Maximum air flow of 34 standard cubic feet per minute Maximum inlet pressure of 300 pounds per square inch Maximum temperature of 250 degrees Fahrenheit 1/4" Female national pipe thread Specifications: * Brand: Milton