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On Jun 4, 2025


D38999/24FA35SN Circular MIL Spec Connector by TE Connectivity – High-Density, Rugged Connectivity for Defense & Aerospace

The Circular MIL Spec Connector D38999/24FA35SN by TE Connectivity is a high-performance, rugged connector designed to meet demanding military and aerospace standards. As part of the MIL-DTL-38999 Series III, it features a lightweight, environmentally sealed design with threaded coupling for secure mating. It supports high-density signal transmission in harsh environments and is trusted across critical systems worldwide.

This blog covers the technical specifications, top features, use cases, wiring overview, and ordering info for the D38999/24FA35SN—your next high-reliability choice in Circular MIL Spec Connectors.


Technical Specifications of D38999/24FA35SN

  • Manufacturer: TE Connectivity

  • Part Number: D38999/24FA35SN

  • Category: Connectors, Circular Connectors, Circular MIL Spec Connectors

  • Series: MIL-DTL-38999 Series III

  • Connector Type: Receptacle, Jam Nut Mount

  • Contact Arrangement: A35

  • Contact Gender: Socket

  • Shell Size: 24

  • Shell Material: Aluminum Alloy

  • Finish: Olive Drab Cadmium

  • Coupling Style: Threaded

  • Mounting Type: Panel Mount

  • Operating Temperature: -65°C to +200°C

  • Environmental Sealing: Moisture and corrosion resistant

  • Compliance: MIL-DTL-38999, RoHS

Built to handle vibration, EMI, and high-temperature fluctuations, this Circular MIL Spec Connector is ideal for harsh mission-critical applications.


Key Features of D38999/24FA35SN

  • MIL-Spec Certified – Fully compliant with MIL-DTL-38999 Series III

  • High-Density Pin Layout – Compact yet supports complex wiring needs

  • EMI Shielding – Offers superior protection from signal interference

  • Rugged Construction – Lightweight aluminum shell with cadmium finish

  • Secure Coupling – Threaded interface ensures resistance to vibration and shock

These features make it one of the most dependable Circular MIL Spec Connectors for aerospace and defense-grade Connectors.


Applications of D38999/24FA35SN Circular Connector

The D38999/24FA35SN is commonly used in:

  • Military Aircraft Avionics

  • Ground Vehicle Control Systems

  • Tactical Communication Equipment

  • Naval and Marine Electronics

  • Aerospace Navigation Systems

  • Rugged Industrial Robotics

From fighter jets to satellite systems, this Circular MIL Spec Connector is engineered for applications where failure is not an option.


Wiring and Connection Overview

Here’s a standard setup for integrating this Circular MIL Spec Connector:

  • Panel Mounting: Fits securely via jam nut into control panels

  • Contact Insertion: Uses high-density socket contacts in A35 arrangement

  • Backshell Support: Connects with EMI shielding backshells for cable strain relief

  • Threaded Coupling: Ensures vibration-proof mating with the plug connector

  • Environmental Sealing: Gaskets provide protection from moisture and contaminants

This configuration is widely used in aircraft and vehicle harnesses requiring high-reliability Circular Connectors.


Use Case Scenario: Military Communication Terminal

Scenario: A defense contractor needed a compact, shielded connector for field communication terminals exposed to shock and environmental extremes.

Problem: Existing connectors failed EMI tests and loosened under high vibration.

Solution: The D38999/24FA35SN Circular MIL Spec Connector was integrated for its robust shell, EMI shielding, and MIL-compliant performance.

Result: Improved system durability, secure signal transmission, and compliance with military communication standards.

This example shows how Circular MIL Spec Connectors enhance reliability in extreme conditions.


Download Datasheet for D38999/24FA35SN

Need complete specs, mounting cutouts, or contact layouts?

?? Download D38999/24FA35SN Datasheet from Xon Electronics
(Insert product link when available)

Get all technical details to implement this Circular MIL Spec Connector into your project.


Why Buy from Xon Electronics?

Xon Electronics offers certified TE Connectivity Connectors including:

? 100% Genuine MIL-Spec Components
?? Global Shipping – USA, India, Australia, Europe & more
?? OEM, Contractor, and Bulk Orders Welcome
?? Technical Help with Selection & Integration
?? Secure Checkout and Fast Fulfillment

Visit www.xonelec.com to buy high-quality Circular Connectors and Circular MIL Spec Connectors today.


Conclusion

The D38999/24FA35SN Circular MIL Spec Connector by TE Connectivity is a rugged, high-density solution for mission-critical systems. With proven military-grade performance, threaded coupling, and EMI protection, it stands as a top-tier choice for harsh-environment Connectors.

Now available at Xon Electronics—your global source for Circular Connectors, Circular MIL Spec Connectors, and precision-engineered Connectors for aerospace and defense.


FAQs – D38999/24FA35SN by TE Connectivity

Q1. What type of connector is D38999/24FA35SN?
It’s a MIL-DTL-38999 Series III circular receptacle connector.

Q2. Is it vibration resistant?
Yes, it features a threaded coupling design for secure mating under vibration.

Q3. What industries use this connector?
Common in military, aerospace, marine, and industrial applications.

Q4. Does it support EMI shielding?
Yes, it includes EMI protection for signal integrity.

Q5. Where can I buy this connector globally?
At www.xonelec.com with shipping to USA, India, Australia, Europe, and other countries.


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