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661X6 by Danfoss | SelfAlign Adapter | Female Connector | 3/8" Tube OD x 1/4" Female NPTF | Brass


Aeroquip® by Danfoss
SelfAlign Adapter - Female Connector
SelfAlign End x Female NPTF

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Shipping will calculate as free instantly if your order value exceeds $5000.

Some exceptions apply.

Free Freight is only available for the Contiguous USA.

Specifications for Variant SKU: 661X6 Danfoss
Shape (Orientation): Straight
Ends Configuration: 3/8in Tube Compression X 1/4in Female NPTF
Material(s): Brass
  • Instrumentation, hydraulic and pneumatic systems.
  • Very low cost and reusable.
  • Self aligning - no need to disassemble fitting to line up sleeve on tube.
  • Low cost.
  • Easy to assemble, no flaring.
  • Good vibration resistance - use long nut when greater vibration resistance is needed.
Used With:
  • Aluminum, copper and plastic tubing.
  • Plastic tubing, except for PT230 and TP160, requires 2030x insert.
  • Not recommended for steel tubing.
  • CA360 Brass
  • Working pressure up to 2000 psi with a 4:1 safety factor depending on tube size.
  • When using plastic tubing, use the working pressure for type used.
Temperature Range:
  • -65°F to +250°F (-53°C to +121°C) with metal tubing.
  • When using compatible plastic tubing do not exceed the tubing temperature range.
  • An exclusive product design, user approvals only
Part Number
Tube O.D. Female Pipe Thread Hex
661X2 1/8" 1/8" 9/16" 0.094" 0.75"
661X3 3/16" 1/8" 9/16" 0.125" 0.78"
661X4 1/4" 1/8" 9/16" 0.188" 0.78"
661X4X4 1/4" 1/4" 11/16" 0.188" 1.03"
661X6X2 3/8" 1/8" 9/16" 0.312" 0.84"
661X6 3/8" 1/4" 11/16" 0.312" 1.06"
661X8 1/2" 3/8" 13/16" 0.406" 1.12"
Danfoss (Eaton - Aeroquip)

Danfoss (Eaton - Aeroquip)

Danfoss is a global technology leader in power management solutions that make electrical, hydraulic and mechanical power operate more efficiently, reliably, safely and sustainably. Danfoss hydraulic pumps, motors, transmissions, valves, cylinders, controls, hose and fittings offer a unique combination of proven technology and innovative design that translates directly into reliable performance and enhanced uptime.

Shop Parts by Danfoss (Eaton - Aeroquip)

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