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601AE701-8 – Eaton Aeroquip Aerospace Hose MIL-H-83797-8
Available now on the Airparts.aero Marketplace.
Overview
The Eaton Aeroquip 601AE701-8 is a genuine, flight-critical, high-pressure hydraulic hose, engineered to the rigorous requirements of military specification MIL-H-83797. This -8 size (1/2 inch) hose is a workhorse in the aerospace industry, designed for reliable service in 3000 PSI hydraulic systems. It features a sophisticated, multi-layer construction with a seamless synthetic rubber inner tube and high-tensile steel wire reinforcement. The 601-8 is the industry standard for high-impulse hydraulic applications, such as landing gear, flaps, and primary flight control systems, where reliability under extreme pressure and constant flexing is paramount.
Key Features
- 3000 PSI High-Pressure Rating: Specifically engineered and tested for continuous operation in 3000 PSI aircraft hydraulic systems. Its robust construction provides a high safety margin against bursting, even under the high-pressure spikes (impulses) generated by the hydraulic system.
- Multi-Layer Reinforced Construction: Features a complex construction for maximum durability:
- Inner Tube: A seamless, synthetic rubber inner tube provides excellent compatibility with all standard petroleum-based hydraulic fluids (e.g., MIL-H-5606).
- Reinforcement: A partial textile braid is applied over the inner tube, followed by a full-coverage braid of high-tensile strength carbon steel wire, which provides the primary pressure containment.
- Durable Outer Cover: The exterior of the hose is covered with a synthetic rubber-impregnated textile braid. This cover is designed to resist abrasion, ozone, and degradation from exposure to aerospace fluids.
- Wide Temperature Range: Engineered to maintain its flexibility and performance characteristics across a wide operational temperature range of -65°F to +250°F (-54°C to +121°C).
- Military Standard Certified: As a qualified product under MIL-H-83797, it guarantees the material, manufacturing, and performance standards required for installation on certified military and commercial aircraft.
Technical Specifications
- Part Number: 601AE701-8 (Aeroquip 601-8)
- Governing Specification: MIL-H-83797
- Component Type: High-Pressure Hydraulic Hose
- Inner Tube Material: Synthetic Rubber
- Reinforcement: Textile and Carbon Steel Wire Braid
- Outer Cover: Synthetic Rubber Impregnated Textile Braid
- Hose Size (Dash Size): -8
- Inside Diameter: 0.44 inches
- Outside Diameter: 0.75 inches
- Maximum Operating Pressure: 3,000 PSI
- Minimum Burst Pressure: 12,000 PSI
- Operating Temperature Range: -65°F to +250°F (-54°C to +121°C)
Aircraft Compatibility
Aeroquip 601-8 is a universal high-pressure hydraulic hose used extensively on a vast range of aircraft, from high-performance general aviation to business jets and military platforms.
- Common System Applications:
- Landing Gear Systems: Flexible lines for retraction/extension actuators and downlocks.
- Brake Systems: The primary flexible hose connecting rigid airframe plumbing to the brake calipers on the landing gear.
- Flight Control Systems: Used in hydraulically-actuated flight control systems for flaps, spoilers, and stabilizers.
- Thrust Reversers: Provides the high-pressure fluid power for thrust reverser actuators on jet aircraft.
Applications
The 601AE701-8 is the industry-standard bulk hose for fabricating and repairing critical hydraulic lines:
- Hose Assembly Fabrication: The primary bulk hose product used by MROs and certified hose shops to fabricate custom-length, certified hose assemblies with permanently crimped or swaged end fittings.
- High-Impulse Systems: Specifically designed to withstand the repeated pressure spikes (impulses) that are characteristic of aircraft hydraulic systems, ensuring a long and reliable fatigue life.
Why Choose 601AE701-8?
A failure of a high-pressure hydraulic hose can lead to a rapid loss of system fluid, resulting in the failure of landing gear, flaps, or brakes. The Eaton Aeroquip 601-8 hose is engineered and manufactured to a military specification that is specifically designed to prevent such failures. Its multi-layer, steel-reinforced construction provides the ultimate in reliability and performance. For any 3000 PSI hydraulic system, there is no substitute for a fully certified, high-quality hose from a trusted leader like Eaton Aeroquip.
Order Your Aeroquip 601AE701-8 Hose Now
Build and repair your aircraft's critical hydraulic systems with the certified performance and reliability of the industry standard. Visit Airparts.aero to order your Eaton Aeroquip 601-8 hose by the foot today.
The multi-layer construction of the Aeroquip 601AE701-8 hose is a sophisticated engineering solution. The seamless synthetic rubber inner tube is specifically compounded to be smooth and non-reactive with hydraulic fluid. The first partial textile braid helps to anchor the inner tube to the main steel braid. The high-tensile carbon steel wire braid is woven at a precise neutral angle (approximately 54.7 degrees). This angle is a critical design feature that ensures the hose does not significantly change in length or diameter when pressurized, which is known as a "low volumetric expansion" characteristic. This provides a firm, responsive feel in the hydraulic system. The outer impregnated fabric braid provides a final layer of protection against external abrasion and environmental damage.
Note: This is bulk hose material and is not a complete assembly. It must be fabricated into a complete hose assembly with the correct, specified, permanently-attached end fittings by a certified hydraulic hose shop or a properly qualified A&P mechanic with the appropriate tooling. Hose assemblies are flight-critical and often life-limited components.
