The Parker Stratoflex 111-4 Hose is a high-performance medium-pressure aerospace hose engineered for dependable fluid transfer in aircraft hydraulic, fuel, lubrication, and pneumatic systems. Manufactured to Parker Stratoflex OEM standards, this hose is designed to provide excellent flexibility, pressure capability, and long-term reliability in demanding aviation environments where system integrity is essential.

Designed in a -4 size, the hose features a 0.250-inch outside diameter and a 0.188-inch nominal inside diameter. It is rated for a maximum working pressure of 3,000 PSI, making it suitable for aircraft applications that require reliable medium-pressure fluid conveyance. Its reinforced construction offers excellent resistance to pressure cycling, vibration, abrasion, and mechanical stress while maintaining the flexibility needed for routing through confined aircraft structures.

The 111-4 hose is compatible with approved Parker Stratoflex reusable and permanent hose fittings, enabling technicians to fabricate OEM-quality hose assemblies for maintenance, repair, and overhaul operations. Proper installation and routine inspection for signs of wear, leakage, abrasion, or aging help ensure continued system performance and maximize service life.

Trusted throughout commercial, military, and general aviation, the Parker Stratoflex 111-4 hose delivers consistent fluid transfer performance while meeting the reliability standards expected of critical aerospace fluid system components.

Key Features

- Part Number: 111-4
- Manufacturer: Parker Stratoflex
- Component: Medium-Pressure Aerospace Fluid Transfer Hose
- Hose Size: -4
- Outside Diameter: 0.250 in.
- Inside Diameter: 0.188 in.
- Maximum Working Pressure: 3,000 PSI
- Compatibility: Parker Stratoflex reusable and permanent hose fittings
- Application: Aircraft hydraulic, fuel, lubrication, and pneumatic systems
- Features: Reinforced flexible construction with excellent pressure, vibration, and abrasion resistance