EZ Boss-Lock™ Cam & Groove Jump Size Coupler x Adapter (Type DA)

EZ Boss-Lock™ Cam & Groove Jump Size Coupler x Adapter (Type DA)

Part Number ADA4020EZ
Material 356T6 Aluminum
Seal Buna-N
Adapter Size 2"
Coupler Size 4"
Maximum Operating Pressure 100 PSI
Optional Pkg/Box Qty 1
Weight Lb 2.7550


  • Designed for use with liquids, consult Dixon for specific recommendations


  • Produced to interchange with all product produced to Commercial Item Description A-A-59326D


  • Buna-N gasket
  • Produced as a welded fabrication

Available Options

  • Other gasket types are available, contact Dixon.

How it works

  • To make a connection, simply slide the adapter into the coupler and with normal hand pressure, press the cam levers down.
  • Uncoupling is as quick and simple as coupling. Just lift the cam arms and remove the adapter.


  • In reducing couplings, the coupler is the first size in the part number.

Safety notes

  • Under no circumstances should cam and groove couplings be used for compressed air or steam service!
  • Under no circumstances should the EZ Boss-Lock cam arms be used on any fitting not specifically designed for their use.
  • Pressure rating recommendations are based on the use of mating Dixon fittings at ambient temperature 70°F / 21°C with a standard seal installed. For use at elevated temperature or other unusual operating conditions, consult Dixon.
  • WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov

Repair Kits
Part # Description Includes Item # Qty
400-G-BU 4" Buna Cam & Groove Gasket
REZ300 Investment SS Handle w/Pull Ring for 3" - 5" EZ Boss-Lock Cplrs
N300 SS Roll Pin for 3" & 4" Boss-Lock Cplrs

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