18.01
EUR / FT
18.01
EUR
18.01 €
excl. VAT
18.01
EUR / FT
excl. VAT
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Up to 22 FT ready to ship on Thursday 2026-08-20
Order before 16:00 CET on Tuesday 2026-08-18
Up to 49 FT ready to ship on Monday 2026-08-24
Order before 16:00 CET on Tuesday 2026-08-18
673.76 FT available on request, fees apply
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Eaton Aeroquip 666-4 is a medium-pressure PTFE hose for aerospace fluid-conveyance applications. It has a smooth, seamless extruded PTFE inner tube with a single Type 300-series stainless-steel wire braid reinforcement, providing flexibility for installations subject to movement and vibration.
The 666 hose series is documented for fuel, hydraulic, coolant and other aircraft-fluid service at nominal pressures below 103 bar. Eaton identifies the PTFE construction as resistant to fuels, lubricating oils, coolants and solvents commonly used in aircraft service.
- Manufacturer: Eaton Aeroquip
- Manufacturer part number: 666-4
- Roctexo part number: RX1-666-4
- Hose type: medium-pressure PTFE hose with stainless-steel braid
- Temperature range: -54 °C to +233 °C
- Hose size: -4
- Nominal internal diameter: approximately 4.8 mm
- Nominal outside diameter: approximately 7.9 mm
- Unit of measure: foot
- Hose series documentation identifies conformity to MIL-DTL-27267; verify installation and assembly requirements for the intended application.
For technical reference, consult the Eaton 666/667 series hose product page and the Eaton hose identification, selection and assembly guide.
