HOSE 2.75IDX1.88LG (P/N 539023) - As Removed

Part 539023 is a 2.75-inch inner diameter elastomeric hose segment measuring 1.88 inches in length. This rubber coupling transfers fuel, oil, coolant, and hydraulic fluids between rigid lines and adapters in engine and systems compartments. The hose conforms to MIL-DTL-6000 specifications for oil, coolant, water, and alcohol service applications.

Installation requires approved fittings and support practices per aircraft maintenance manuals and FAA AC 43.13-1B guidance. Commonly used in general aviation and commercial aircraft fluid system routing where short flexible connections reduce vibration and accommodate minor misalignment between components.

What is the HOSE 2.75IDX1.88LG (P/N 539023)?

Part 539023 is a 2. 75-inch inner diameter elastomeric hose segment measuring 1.

What hydraulic fluid type is the 539023 compatible with?

Hydraulic component compatibility depends on the aircraft system design. Common aviation hydraulic fluids include MIL-PRF-5606 (mineral-based), MIL-PRF-83282 (synthetic), and Skydrol (phosphate ester). Verify the HOSE 2.75IDX1.88LG against your aircraft maintenance manual for fluid compatibility.

Does the 539023 come pressure-tested and certified?

Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The HOSE 2.75IDX1.88LG is available in: As Removed. Contact us for test documentation on your selected condition.

What is the turnaround time for hydraulic component orders?

In-stock hydraulic components ship same business day before 3 PM EST. We provide 24/7 AOG support at (904) 998-9101 for urgent hydraulic system needs. RFQ submissions are typically quoted within 24 hours.