M25988/2-028 Fluorosilicone O-Ring is a precision aerospace sealing component designed to provide reliable fluid sealing performance in aircraft fuel, oil, hydraulic, and pneumatic systems. Manufactured to M25988/2 aerospace specifications, this O-ring is engineered for demanding aviation applications where resistance to fuels, lubricants, and temperature variations is required.

Constructed from fluorosilicone elastomer, the M25988/2-028 O-ring combines the flexibility and sealing characteristics of silicone with improved resistance to aviation fuels and petroleum-based fluids. This material selection makes it suitable for applications requiring dependable sealing performance under changing environmental conditions.

The O-ring provides a controlled sealing interface by maintaining compression between mating surfaces, helping prevent leakage and contamination within aircraft systems. It is commonly used in fuel system components, hydraulic assemblies, fittings, valves, and other aerospace equipment requiring reliable fluid retention.

During maintenance procedures, the O-ring should be inspected for cuts, cracks, flattening, swelling, hardening, or chemical deterioration. Replacement with approved sealing components ensures proper system performance and supports continued aircraft airworthiness.

Key Features

- Part Number: M25988/2-028
- Manufacturer: Aerospace Standard Component
- Component: O-Ring
- Material: Fluorosilicone elastomer
- Specification: M25988/2 aerospace standard
- Designed for aircraft fuel, oil, hydraulic, and pneumatic systems
- Provides reliable sealing against fluid leakage and contamination
- Excellent resistance to aviation fuels and petroleum-based fluids
- Maintains sealing performance across demanding temperature and operating conditions