D38999/24WB5SN | 5-гнездная гнездовая гайка серии III (размер 11)
The D38999/24WB5SN is a size 11 MIL-DTL-38999 Series III jam nut receptacle with 5 socket contacts. Features “W” olive drab cadmium finish and “N” polarization for rugged electronic grids.
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D38999/24WB5SN Efficiency of Single-Hole Jam Nut Mounting
Он D38999/24WB5SN is a precision-engineered interconnect solution designed for specialized electronic grids where assembly efficiency and panel space conservation are paramount. Unlike the four-hole square flange models, this Type 24 jam nut receptacle requires only a single D-shaped hole for installation. This design significantly reduces the machining complexity of equipment bulkheads and minimizes potential ingress points for environmental contaminants such as moisture or dust. The use of a single high-torque hex nut to secure the connector ensures a stable and permanent mount, making it an ideal choice for compact avionics boxes and portable tactical devices where every millimeter of panel real estate is critical for system density.
Основные характеристики
Материал оболочки | Номинальное напряжение | Текущий рейтинг | Рабочая температура | Степень защиты от проникновения влаги и пыли | Циклы спаривания | Ключевая модуляция и поляризация | Соединение |
|---|---|---|---|---|---|---|---|
Алюминиевый сплав | ~1000 В переменного тока | ~23 А | от -65 °C до +200 °C | IP67 | 500 | N | резьбовая муфта |
Tactical Environmental Defense and Surface Conductivity
Финиш в классе “W” D38999/24WB5SN represents a high-strength aluminum alloy housing treated with olive drab cadmium over an electroless nickel underplate. This multi-layered defense system is specifically engineered for the most aggressive field environments, providing a certified 500-hour salt spray rating. Beyond its superior corrosion resistance, the cadmium finish is highly conductive, ensuring an excellent low-impedance ground path between the shell and the equipment chassis. This conductivity is essential for maintaining effective EMI and RFI shielding, protecting the five internal signal lines from electromagnetic interference in dense electronic clusters or high-frequency communication zones.
Universal N-Keying and Secure System Integration
The D38999/24WB5SN utilizes the standard “N” (Normal) polarization keyway, providing universal intermateability with any standard-issue Series III plug of the same shell size and arrangement. For engineers designing global hardware platforms, the “N” indexing offers a predictable and reliable mating experience, facilitating easier procurement and maintenance across international supply chains. The triple-start threaded coupling mechanism provides a self-locking connection that is inherently resistant to loosening under severe harmonic vibration. This ensures that the 5-pin interface remains securely engaged, providing constant electrical continuity even during the high-stress phases of flight or heavy machinery operations.
Optimized Signal Fidelity and 11-05 Layout Integrity
Within the size 11 housing, the D38999/24WB5SN employs the 11-05 insert arrangement, providing five independent conductive channels using Size 20 socket contacts. The socket design provides a secure female interface that protects the internal electrical connection from external contamination and mechanical shock. These contacts are precision-machined and finished with high-grade gold plating to maintain a low-resistance electrical interface throughout the equipment’s service life. The high-performance dielectric insert ensures superior insulation resistance, preventing electrical leakage between channels even in unpressurized aerospace compartments subject to rapid temperature fluctuations and atmospheric changes.
Механическая защита и техническое обслуживание на местах
The structural reliability of the D38999/24WB5SN is further supported by its 100% scoop-proof shell architecture. This design ensures that the five socket contacts are recessed deeply enough within the housing to prevent any damage if the mating plug is misaligned or tilted during the connection process. For long-term field support, the receptacle utilizes a rear-release crimp contact system, allowing maintenance technicians to install or replace individual sockets using standard military tools without disassembling the entire unit from the panel. This combination of physical protection and modular serviceability ensures the D38999/24WB5SN provides a low total cost of ownership for mission-critical electronic grids.
Часто задаваемые вопросы
В чём преимущества крепления с помощью контргайки (тип 24)?
В чём преимущества крепления с помощью контргайки (тип 24)?
Крепление с помощью контргайки упрощает подготовку панели, поскольку требует всего одного отверстия, и обеспечивает надежное крепление с высоким крутящим моментом, идеально подходящее для компактного и чувствительного к весу оборудования.
How many contacts are provided in the 11-05 layout?
How many contacts are provided in the 11-05 layout?
The 11-05 layout provides five independent conductive channels using Size 20 socket contacts, offering a versatile interface for signal and low-power transmission.
Обеспечивает ли покрытие цвета «оливково-зеленый кадмий» экранирование от электромагнитных помех?
Обеспечивает ли покрытие цвета «оливково-зеленый кадмий» экранирование от электромагнитных помех?
Да, покрытие в форме буквы “W” обладает высокой проводимостью, обеспечивая надежный низкоимпедансный путь заземления между корпусом и шасси для превосходного подавления электромагнитных помех.
Is the D38999/24WB5SN compatible with standard Series III plugs?
Is the D38999/24WB5SN compatible with standard Series III plugs?
Absolutely. As long as the mating plug is size 11, has the 05 layout, and uses standard “N” polarization, it will be fully intermateable with this receptacle.
Сможет ли этот разъем выдерживать высокую вибрацию в аэрокосмической отрасли?
Сможет ли этот разъем выдерживать высокую вибрацию в аэрокосмической отрасли?
Absolutely. The self-locking triple-start threads and the secure jam nut mounting are specifically engineered to maintain electrical and mechanical integrity under extreme vibration and shock.
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