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John Guest

John Guest Male Connector NPTF - 1/4 x 1/8 NPTF - White

Part Number: CI010821W
Alt. Part Number: AMC4-N1-W
Your price:
The John Guest male connector makes connecting tubing to female NPT threads quick and easy. Manufactured in white acetal with food grade EPDM O-ring, these fittings were developed for the residential filtered water market but are also suitable for other potable liquids.

  • Push-fit Technology creates reliable, leak-free connections
  • Used to connect OD tubing sizes to female NPT threads
  • Compatible with plastic or copper OD sized tubing
  • Made with lead free materials
  • Acetal body with food grade EDPM O-Ring
  • Food Quality and suitable for potable liquids and pure water applications
  • Connect, disconnect, and reconnect in seconds without tools
Working pressure and temperature:
  • Max. 150 psi at 70° F
  • Max. 100 psi at 150° F
Note: Not suitable for compressed air and vacuum applications. 

Note: These items are not suitable air/pneumatic or vacuum applications.

JG white acetal is not suitable for air due to seal consisting of EPDM.


Application Water, food & beverage
Body Material Acetal Copolymer
Inlet/Outlet Connection 1/8" MPT
Max Pressure (Psi) 150
Max Temp (°F) 150
Min Pressure (Psi) 0
Min Temp (°F) 33
Mounting Options Thread
Push-In Size 1/4" OD
Seal Material EPDM
Series CI
Size 1/8"
Color / Finish White
Connection Type Male (MPT)
Origin UK
Sub-Type Male Adapter
Type Adapter
Certifications NSF 61, NSF 51, NSF 372
California residents Prop 65 Warning
This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov