[{"id":189145677960,"handle":"coupon-eligible","title":"Coupon Eligible","updated_at":"2026-02-11T07:06:00-05:00","body_html":"","published_at":"2020-12-14T21:11:58-05:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"vendor","relation":"not_equals","condition":"Lightspeed Aviation"}],"published_scope":"global"},{"id":174246985864,"handle":"david-clark","title":"David Clark","updated_at":"2026-02-11T07:06:00-05:00","body_html":"\u003cp data-mce-fragment=\"1\"\u003eDavid Clark Company has pioneered air and space crew protective equipment design, development and manufacture since 1941, with products ranging from anti-G suits to space suits.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eDavid Clark Company's tradition of providing crew protective equipment for leading edge, manned aerospace programs continues into the future, as our designers apply their expertise to passenger and crew protection in the commercial space flight market.\u003c\/p\u003e","published_at":"2020-03-11T14:53:53-04:00","sort_order":"best-selling","template_suffix":"","disjunctive":true,"rules":[{"column":"vendor","relation":"equals","condition":"David Clark"}],"published_scope":"web","image":{"created_at":"2020-09-29T23:30:06-04:00","alt":"Shop for David Clark products.","width":800,"height":800,"src":"\/\/www.pilotshq.com\/cdn\/shop\/collections\/David_Clark_Logo1.jpg?v=1672277318"}},{"id":172784943240,"handle":"misc-aviation-headset-parts","title":"Misc. Aviation Headset Parts","updated_at":"2026-02-11T07:06:00-05:00","body_html":"","published_at":"2020-03-04T16:24:31-05:00","sort_order":"best-selling","template_suffix":null,"disjunctive":true,"rules":[{"column":"type","relation":"equals","condition":"Misc. Aviation Headset Parts"}],"published_scope":"web"}]
David Clark Spring Assembly, H9540 | OEM 40623G-31
OEM spring assembly from David Clark, designed for reliable mechanical tension in the H9540 headset system. Part number 40623G-31.
Genuine David Clark OEM Component: Assures proper fit and long-term reliability.
Designed for H9540 Headset Models: Built specifically to maintain spring integrity within the H9540 assembly.
Restores Mechanical Balance: Provides critical tension for consistent headset performance and stability.
Durable Spring Engineering: Withstands routine headset movement and operational demands.
Compact and Easy to Replace: Fits seamlessly into compatible headset configurations.
Ideal for Maintenance and Repair: Essential spare for headset servicing and refurbishing tasks.
The David Clark Spring Assembly, H9540 (Part Number 40623G-31) is a high-quality OEM replacement part tailored for use in the H9540 headset. Designed to support the structural and mechanical performance of the headset, this spring assembly ensures proper tension and long-term wear resistance in professional aviation applications.
Whether you're performing routine maintenance or replacing worn components, the 40623G-31 offers reliable mechanical functionality and easy installation. It’s an essential item for technicians maintaining headset readiness in high-demand environments.
Technical Specifications
Part Number: 40623G-31
Component: Spring assembly
Application: David Clark H9540 headset system
Material: Precision spring-grade metal
Function: Maintains mechanical tension and headset integrity
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.