Dixon Valve DCP2502 Steel Air Chief Industrial Interchange Air Fitting, Quick-Connect Plug, 3/8" Coupler x 1/4" NPT Male Thread, 70 CFM Flow Rating Air Chief industrial interchange quick-connect plug Rated to 300 psi Temperature range: -40 degrees F to 250 degrees F For air service only Interchanges with MIL specification MIL-C-4109F/A-A-59439