Din Circular Connector
MS3116F1419S Aerospace Connector for Flight Instrument Systems
The MS3116F1419S aerospace connector is a 19-pin circular interface engineered for critical avionics and flight instrument systems. Its aluminum alloy housing and gold-plated brass contacts support stable signal transmission in environments subject to extreme temperatures, vibration, and shock. This page helps procurement and design engineers evaluate the connector's configuration, application fit, and installation requirements before specifying.
Application Scope for Avionics and Flight Instruments
This connector is suited for cockpit panels, control modules, and other space-constrained aerospace electronics where a secure, long-lasting connection is required. The compact circular form factor and precision contacts make it a practical choice for flight instrument interfaces that demand consistent electrical performance.

Construction and Material Highlights
The connector uses a rugged metal shell with precision-machined contacts. The aluminum alloy housing provides mechanical strength while keeping weight low for airborne installations. Gold-plated brass contacts support reliable signal transfer and resist corrosion in demanding operating conditions.

Selection Considerations for Buyers
Before specifying the MS3116F1419S, confirm the following configuration variables with your application requirements:
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Gender and mating: Confirm whether your system requires the male or female version and verify the mating plug or receptacle series.
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Pin count and layout: Verify that the 19-pin arrangement matches your signal and power distribution needs.
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Termination method: Confirm the required contact termination style for your cable or panel assembly.
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Environmental limits: Check that the connector's temperature, vibration, and shock ratings align with your installation environment.
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Mounting configuration: Determine whether your application needs a cable or panel mount version.
Installation and Mating Dependencies
Proper mating depends on using the corresponding connector half from the same series. Verify the shell size, insert arrangement, and keying before assembly. For cable assembly, confirm the wire gauge range and termination tooling required for the gold-plated contacts.

Suitable and Unsuitable Applications
This connector is appropriate for flight instrument systems, avionics control modules, and other aerospace electronics where a compact, high-reliability circular interface is required. It is not intended for high-current power distribution, underwater or submersion applications, or environments where the connector will be mated and unmated frequently without proper strain relief.
Information to Include in Your Inquiry
To receive an accurate quotation and configuration recommendation, provide the following details:
- Required gender (male or female) and mating connector part number
- Wire gauge, cable outer diameter, and termination preference
- Operating temperature range and vibration profile of your application
- Panel cutout dimensions or mounting constraints
- Quantity and target delivery schedule
For related circular connector options, review the 12G Series Circular Connectors or consult the Din Circular Connector catalog for alternative configurations.
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