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  • Extremely easy to install - no tools necessary
  • Certified by the National Sanitation Foundation (NSF-51 and NSF-61) NSF listed as trade designation "JG".
  • Instant leak-proof connections
  • Made from tough, lightweight, FDA-sanctioned materials
  • No flow restrictions
  • Easy to disconnect and reuse
  • Available in either Fractional or Metric sizes
  • Optional collet cover to prevent accidental disconnection and to deter tampering - available in colors for coding purposes
  • Genuine John Guest brand fittings
Newloc® Acetal Plastic Push-To-Connect Fittings
Newloc® Acetal Fraction Plastic Push-To-Connect Hose Barb Tubes
Unit of Measure
1 

Item #

Item Name

Tubing Stem Outer Diameter (OD)

Tubing Hose Inner Diameter (ID)

Connection Type

Construction Body Materials

520 0503 N/A Newloc® 3/16 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 1/4 in N/A 3/16 in N/A Hose Barb N/A Acetal Copolymer (Gray)
520 0531 N/A Newloc® 1/4 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 1/4 in N/A 1/4 in N/A Hose Barb N/A Acetal Copolymer (Gray)
520 0559 N/A Newloc® 5/16 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 1/4 in N/A 5/16 in N/A Hose Barb N/A Acetal Copolymer (Gray)
520 0587 N/A Newloc® 3/16 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 5/16 in N/A 3/16 in N/A Hose Barb N/A Acetal Copolymer (Gray)
520 0643 N/A Newloc® 5/16 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 5/16 in N/A 5/16 in N/A Hose Barb N/A Acetal Copolymer (Gray)
520 0671 N/A Newloc® 3/8 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 5/16 in N/A 3/8 in N/A Hose Barb N/A Acetal Copolymer (Gray)
520 0699 N/A Newloc® 1/4 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 3/8 in N/A 1/4 in N/A Hose Barb N/A Acetal Copolymer (Gray)
520 0727 N/A Newloc® 5/16 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 3/8 in N/A 5/16 in N/A Hose Barb N/A Acetal Copolymer (Gray)
520 0755 N/A Newloc® 3/8 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 3/8 in N/A 3/8 in N/A Hose Barb N/A Acetal Copolymer (Gray)
520 0762 N/A Newloc® 1/2 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 3/8 in N/A 1/2 in N/A Hose Barb N/A Acetal Copolymer (Gray)
520 0783 N/A Newloc® 3/8 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 1/2 in N/A 3/8 in N/A Hose Barb N/A Acetal Copolymer (Gray)
520 0811 N/A Newloc® 1/2 Inch (in) Tubing Hose Inner Diameter (ID) Plastic Push-To-Connect Tube to Hose Barb Fitting N/A 1/2 in N/A 1/2 in N/A Hose Barb N/A Acetal Copolymer (Gray)
Unit of Measure
1