Dubro Spring Keepers 4-40 Kwik RC Aircraft Spare Part - DUB331

The Dubro 331 Spring Keepers 4-40 Kwik are small but essential RC aircraft spare parts designed to secure 4-40 threaded pushrods and linkages in place during flight. Dubro is a long-established name in RC hardware, and these spring keepers provide a quick and reliable way to lock control linkages without the need for Z-bends or solder. The DUB331 is a straightforward consumable that experienced builders often keep on hand for builds and repairs alike.

Key Features

• Designed for use with 4-40 threaded rods and clevises in RC aircraft linkage systems
• Kwik-style design allows fast installation without specialist tools
• Helps prevent linkage separation at control surfaces during flight
• Small, lightweight hardware with negligible impact on all-up weight
• A Dubro staple often used in both new builds and field repairs

What's Included

• Dubro 331 Spring Keepers 4-40 Kwik (quantity as per packaging)

What You Need

• 4-40 threaded pushrods or clevises to use these keepers with
• RC aircraft requiring these linkage components for installation