Brand： Junxun

Overview：
The Junxun MS21913D16 Plug is a precision aircraft maintenance component designed to seal and protect flareless tube fittings in aviation fluid, hydraulic, pneumatic, and fuel system applications. Engineered for reliable sealing and secure installation, this plug helps prevent contamination, moisture ingress, and foreign object debris (FOD) from entering exposed tube connections during aircraft maintenance, inspection, storage, and transportation procedures. The MS21913D16 provides dependable protection for critical aircraft systems and supports efficient maintenance operations in professional aerospace environments.

Key Points：

Specialized flareless tube fitting plug for aircraft system protection applications
Provides secure sealing for exposed tube connections during maintenance and storage
Helps prevent contamination, moisture, and FOD intrusion into critical aircraft systems
Precision-engineered design ensures accurate fit and reliable sealing performance
Durable construction supports repeated use in demanding aerospace maintenance environments
Designed for airlines, MRO facilities, and professional aircraft maintenance teams

Application：
Ideal for airlines, aircraft MRO facilities, and maintenance technicians performing aircraft inspection, repair, overhaul, and preservation procedures. The MS21913D16 Plug is used to protect flareless tube fittings in aircraft hydraulic, pneumatic, fuel, and fluid systems, helping maintain system cleanliness, prevent contamination, and ensure component integrity during maintenance and storage operations.