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OEM-grade push-to-talk switch by David Clark with DPST configuration. Engineered for reliable communication control in aviation and industrial systems. Part number 09851P-28.
Genuine David Clark OEM Component: Ensures trusted performance and precise system integration.
Double-Pole Single-Throw (DPST) Configuration: Supports two independent circuits with one action.
Robust, Long-Life Design: Built to endure repetitive use in demanding operational environments.
Smooth Push-to-Talk Functionality: Consistent tactile response for assured signal activation.
Compact and Versatile Mounting: Fits easily into control boxes, panels, or headset accessories.
Ideal for Aviation and Tactical Use: Preferred by professionals for critical communications.
The David Clark PTT Switch, DPST (Part Number 09851P-28) is a rugged, dual-pole push-to-talk switch designed for reliable operation in mission-critical communication systems. With a double-pole, single-throw (DPST) layout, this switch enables simultaneous activation of two circuits—ideal for complex communication setups where redundancy or dual-path control is needed.
Engineered with aviation-grade durability and a responsive press feel, the 09851P-28 offers consistent performance in high-use applications. Whether integrated into cockpit panels, ground control units, or industrial headsets, this OEM switch ensures long-lasting, dependable control in the most demanding environments.
Technical Specifications
Part Number: 09851P-28
Switch Type: DPST (Double-Pole, Single-Throw)
Function: Push-to-talk
Construction: Rugged, aviation-grade materials
Application: Aviation, industrial, tactical communication systems
Ordering was easy. Spoke with a professional and friendly person.
Shipping was fast only two days.
Used the product on a boat outboard motor and bracket.
Excellent primer for bare aluminum.
Couldn’t have gone better from ordering to product results.
Thank you!
I built this kit as a teenager most of 55 years ago. The kit is essentially the same, but now they’re laser cut. In the past, the panels were die-cut, sometimes you get one done with a dull cutter. That took a lot of extra time, carefully re-scoring everything with a narrow Exacto blade so the pieces wouldn’t split. This kit is so crisp, it’s a joy to assemble. It’s fun seeing old reflexes come to life while assembling this baby. I only have the FW-190 from those years, but also built this one (the Hellcat), the Spitfire, Me-109, and the P-40. Good times!
