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David Clark Spring Assembly | P/N 40878G-03 / 40623G-51
The David Clark Spring Assembly (P/N 40878G-03 / 40623G-51) is a genuine OEM replacement component designed to restore proper spring tension and mechanical stability in compatible David Clark headset and communication assemblies. This high-quality part ensures smooth, reliable operation and maintains the structural integrity of headset mechanisms used in aviation environments.
Authentic David Clark spring assembly – P/N 40623G-51 (model 40878G-03)
Restores original spring tension and movement for consistent performance
Engineered from durable, aviation-grade materials for long service life
Ideal for headset repair, maintenance, or component refurbishment
Designed for quick installation and precise fit in David Clark systems
Trusted by aviation professionals worldwide, David Clark replacement parts deliver the reliability and precision required for mission-critical communication gear. The 40878G-03 / 40623G-51 spring assembly helps keep your headset operating at peak performance, ensuring comfort, stability, and dependable mechanical function for every flight or communication task.
Manufacturer: David Clark Company
Part Numbers: 40878G-03 / 40623G-51
Type: Spring Assembly
Function: Provides spring tension and mechanical stability in headset assemblies
Application: Compatible with select David Clark headset and communication systems
Construction: Precision-engineered aviation-grade metal components
Approximate Weight: 0.1 lb
Warranty: Standard David Clark replacement parts warranty
Best priced around great and speedy service!
Also is the better of the 2 options since it is rated at 5,000 psi, not that I go to that high of pressure but I like the safety and security knowing that my chances of it blowing up in my face are a whole lot better and I can also purchase replacement seals for them at the same shop!!!
I bought the DC PTT because I know and trust the DC quality/durability to hold up to using every day. And so far it’s the best PTT I’ve used. I have a couple other no-name PTTs and the cable sheathing is crumbling and falling off. The DC PTT has worked even in sub zero cabin temp conditions when I didn’t have a functioning heater. I bought two to have a spare but the first one has been working great for 300hrs so far.
