David Clark® 09851P-19 Switch SPDT – Lock ON
David Clark 09851P-19 by David Clark is a professional-grade spdt lock-on switch available in Each format. Designed for use with David Clark Headsets and Communications Equipment, it delivers reliable performance, OEM-quality fit, and consistent results for David Clark aviation headset maintenance and repair programs. Black in color, this product is trusted by aviation maintenance technicians, MRO professionals, and military headset specialists worldwide who require dependable, specification-grade headset accessories and replacement parts.
| Attribute | Detail |
|---|---|
| Manufacturer Part Number (MPN) | 09851P-19 |
| Brand | David Clark |
| Product / Model Name | David Clark 09851P-19 |
| Color | Black |
| Package Size | Each |
| Product Type | SPDT Lock-ON Switch |
| Specification | N/A |
| Compatible With | David Clark Headsets and Communications Equipment |
Technical Information
David Clark 09851P-19 is a Single Pole Double Throw (SPDT) lock-on switch used in David Clark headsets and communications equipment. An SPDT switch controls circuit routing — connecting one input to either of two outputs — and the lock-on feature allows the switch to maintain its selected position without continuous manual pressure. In aviation headset applications, SPDT lock-on switches are used for audio routing selection, intercom mode switching, and communications channel selection in crew station headset systems. David Clark replacement switches meet the original actuation force, contact resistance, and cycle life specifications.
Why Choose David Clark 09851P-19?
- SPDT Lock-ON Function — Maintains selected switch position without continuous manual pressure
- Aviation Circuit Routing — Used for audio routing and intercom mode selection in headsets
- David Clark OEM Specification — Manufactured to original David Clark switch specifications
- Direct Replacement Part — Restores reliable switch function to communications equipment
- Durable Contact Life — Rated for extended use in demanding aviation operational environments
Frequently Asked Questions
Q: What is David Clark 09851P-19 SPDT Lock-ON Switch used for?
A: David Clark 09851P-19 is a replacement SPDT lock-on switch for David Clark headsets and communications equipment, used for audio routing, intercom mode selection, or circuit switching where a maintained switch position is required.
Q: What is the MPN for David Clark 09851P-19 SPDT Switch?
A: The Manufacturer Part Number (MPN) is 09851P-19.
Q: What does SPDT mean?
A: SPDT stands for Single Pole Double Throw — a switch configuration with one common terminal that can connect to either of two alternate terminals, used for routing a single signal path to one of two possible destinations.
Q: What does ‘lock ON’ mean for a switch?
A: Lock-ON means the switch maintains its activated position after being pressed or toggled — it does not spring back to its rest position. This is used when a persistent circuit state is required without continuous manual actuation.
Q: What headsets is David Clark 09851P-19 compatible with?
A: Verify compatibility with your specific David Clark headset or communications equipment model. Consult the David Clark parts list for your equipment to confirm this is the correct replacement switch.
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