Parker Fluid Connector Group
6600 Series Hydraulic Quick Couplings

Key Features:

  • Accepts ISO 7241-1, Series A compliant nipples
  • Poppet valves and a metal perch to maintain valve alignment and prevent flow checking
  • Coupler sleeve and nipple body are hardened to be damage resistant
  • Standard end configurations include female pipe and straight thread ORB
  • Protective zinc plating with clear trivalent chromate finish


  • Snow plows
  • Truck trailer connections
  • Mobile applications
  • Attachments

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The 6600 Series are versatile for use in a wide range of hydraulic applications where fluid lines require connection and disconnection for equipment operation or maintenance

  • Coupling bodies are steel with zinc and clear trivalent chromate plating (hexachromium free).  
  • The coupler sleeve and nipple body are hardened to resist damage from Brinelling and mechanical shock.  

  • ISO 7241 Series A
  • Manual sleeve
  • Poppet valve
  • Available in body sizes 1/4" through 1" with pipe thread (NPTF) and straight thread (ORB) as standard end configurations.