MI713 Milton M-style "Kwik-change" couplers and plugs will interchange with all manufacturers who comply with the dimensional requirements of military specifi cation MIL-C-4109. Features: -Style coupler. -M-Style coupler bodies are brass. -M-Style plugs are case hardened steel, plated to resist rust. -Maximum inlet pressure: 300 PSI. -Maximum temperature: 250° F. -Air flow: 40 SCFM. -Seals: Buna-N. -1/4" NPT female. -Case hardened steel drag guard.