8D5-19F35SN | 66-Socket Series III Electroless Nickel Plug (Size 19)
The 8D5-19F35SN is a size 19 MIL-DTL-38999 Series III aluminum plug with 66 socket contacts. Features “F” electroless nickel finish and “N” polarization for high-density grids.
999999 in stock
- ISO & Quality Certifications
- 100% Intermateable with original parts.
- 1-Year Warranty with Full After-Sales Support
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8D5-19F35SN High-Density Signal Consolidation in Miniature Grids
The 8D5-19F35SN is a precision-engineered interconnect solution designed for specialized electronic grids where maximizing signal capacity in a limited spatial envelope is a primary design objective. Utilizing the size 19 aluminum alloy shell, this straight plug facilitates sixty-six independent conductive channels through its high-density 19-35 insert arrangement. This configuration is a critical asset for modern avionic suites and tactical communication hubs, where a vast number of sensor feeds and high-speed data bus signals must be consolidated into a single interface. By housing sixty-six Size 22D socket contacts, the 8D5-19F35SN allows for extreme functional integration without increasing the physical footprint of the equipment.
Key Specifications
Shell Material | Voltage Rating | Current Rating | Operating Temp | Ingress Protection | Mating Cycles | Keying & Polarization | Coupling |
|---|---|---|---|---|---|---|---|
Aluminum alloy | ~1000 VAC | ~23 A | -65 °C to +200 °C | IP67 | 500 | N | threaded coupling |

Electroless Nickel Finish and Conductive Shielding Integrity
The “F” class finish of the 8D5-19F35SN represents a high-purity electroless nickel plating applied over the aluminum housing, providing a clean, durable, and exceptionally conductive surface. This finish is specifically selected for electronic grids where electromagnetic interference (EMI) suppression is a non-negotiable requirement. The electroless nickel provides a low-impedance ground path across the shell-to-shell interface, which, in conjunction with the plug’s internal grounding spring, ensures 360-degree shielding effectiveness. This prevents external RFI from corrupting the sixty-six internal signal paths, ensuring that sensitive digital telemetry remains accurate in dense electromagnetic environments.
Self-Locking Mechanical Stability and Vibration Resistance
As a Series III straight plug, the 8D5-19F35SN features a triple-start threaded coupling mechanism with an integrated self-locking ratchet system. This design facilitates a rapid and secure connection with only one full 360-degree turn of the coupling nut, providing tactile and audible confirmation of a verified mate. The internal anti-decoupling device ensures that the connector remains locked even when subjected to the intense harmonic vibrations and mechanical shocks typical of jet engine compartments or high-performance armored vehicle operations. This mechanical robustness ensures constant electrical continuity across the sixty-six-pin signal grid during high-stress field maneuvers.
Precision Socket Fidelity and 19-35 Layout Integrity
Within the size 19 housing, the 8D5-19F35SN employs sixty-six Size 22D socket contacts, providing a high-fidelity female interface for precision digital and analog signals. These sockets are precision-machined from copper alloy and finished with high-grade gold plating to maintain an ultra-low-resistance electrical path throughout the equipment’s service life. The gold plating protects the contact surfaces from atmospheric oxidation and environmental degradation, even in unpressurized aerospace compartments. The high-performance dielectric insert ensures that each of the sixty-six signal paths is electrically isolated, maintaining high insulation resistance and preventing crosstalk between sensitive data lines.

100% Scoop-Proof Architecture and Maintenance Efficiency
The structural reliability of the 8D5-19F35SN is reinforced by its 100% scoop-proof shell design, which ensures that the sixty-six socket contacts are recessed deeply enough to prevent any damage if the mating plug is misaligned during the connection process. For long-term logistical support and field repairability, the plug utilizes a rear-release crimp contact system. This allows maintenance technicians to install or replace individual sockets using standard military-specification tools without disassembling the entire unit from the cable harness. This combination of physical protection and modular serviceability ensures that the 8D5-19F35SN delivers a high level of operational readiness for mission-critical digital environments.
FAQ
How many contacts are supported by the 8D5-19F35SN?
How many contacts are supported by the 8D5-19F35SN?
The 19-35 layout provides sixty-six independent conductive channels using high-density Size 22D socket contacts, offering the maximum signal capacity available for a size 19 shell.
What are the benefits of the Electroless Nickel (F) finish?
What are the benefits of the Electroless Nickel (F) finish?
The “F” finish provides excellent surface conductivity for superior EMI/RFI shielding and a durable, clean aesthetic suitable for aerospace and high-tech industrial environments.
Does the 8D5-19F35SN include a self-locking mechanism?
Does the 8D5-19F35SN include a self-locking mechanism?
Yes, it features a triple-start threaded coupling with an integrated ratchet system that prevents the plug from loosening under extreme vibration and shock conditions.
Is the 8D5-19F35SN compatible with standard D38999 Series III receptacles?
Is the 8D5-19F35SN compatible with standard D38999 Series III receptacles?
Absolutely. As long as the mating receptacle is size 19, has the 35 layout, and uses standard “N” polarization, it will be fully intermateable with this plug.
Can this connector handle high-frequency signal transmission?
Can this connector handle high-frequency signal transmission?
Yes, the 100% scoop-proof design and high-grade gold-plated contacts are engineered to maintain signal integrity and prevent data loss in high-speed digital applications.
Certification
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