When reliability is non-negotiable, our Military Circular Connectors deliver. Engineered to perform in the harshest environments, these connectors provide secure, high-performance connections across land, air, and sea operations. They’re trusted by military and aerospace professionals worldwide for their proven durability, precision design, and uncompromising quality.
Our military-grade circular connectors are designed for demanding defense and aerospace applications, providing reliable electrical connections under extreme conditions. Compliant with key military specifications such as MIL-DTL-38999, MIL-DTL-5015, and MIL-DTL-26482, these connectors are ideal for both signal and power transmission in mission-critical systems.
A comprehensive selection of military circular connectors is offered to accommodate a broad spectrum of defense and aerospace application needs. This includes QPL-approved series such as MIL-DTL-38999, known for its high-density, high-performance capabilities in harsh environments; MIL-DTL-26482, a compact bayonet-style connector suitable for legacy systems; and MIL-DTL-5015, a rugged power and signal connector often used in heavy-duty ground and naval applications. In addition, commercial equivalents and cost-effective COTS (Commercial Off-The-Shelf) alternatives are available for non-critical or budget-sensitive applications, offering varying degrees of environmental sealing, EMI shielding, and mechanical durability. This portfolio enables optimized interconnect solutions tailored to system-critical, mission-specific, and logistical requirements.
Connector Series | Standard / Qualification | Key Features | Typical Applications | Notes |
MIL-DTL-38999 | QPL-approved (Series I–III) | High-density, EMI shielding, lightweight, sealed | Avionics, aerospace, missile systems | Preferred in space- lightweight sensitive systems |
MIL-DTL-26482 | QPL-approved (Series I & II) | Bayonet coupling, medium density, environmentally sealed | Ground vehicles, control panels, legacy retrofits | Versatile, used across military platforms |
MIL-DTL-5015 | QPL-approved | Rugged, high-power, threaded coupling | Heavy equipment, power distribution, navy systems | Ideal for high-current/power applications |
MIL-DTL-83723 | QPL-approved | Combines 38999 + 5015, flame/smoke resistant | Aerospace, harsh-environment helicopters | Used in high-risk, high-vibration scenarios |
COTS Connectors | Commercial (Non-QPL) | Cost-effective, variety of materials and configurations | Non-combat support systems, logistics, training gear | Ideal for non-critical, budget-focused systems |
38999 Commercial Variant | Commercial equivalents | Similar form, lighter specs, lower cost | Prototypes, simulation environments | Suitable for early-stage or civilian-grade adaptations |
Connector Series | Standard / Qualification | Key Features | Typical Applications | Notes |
MIL-DTL-38999 | QPL-approved (Series I–III) | High-density, EMI shielding, lightweight, environmental sealing | Avionics, aerospace, missile systems | Preferred for weight- and space-sensitive designs |
MIL-DTL-26482 | QPL-approved (Series I & II) | Quick disconnect bayonet, medium density, sealed options | Ground vehicles, control panels, legacy systems | Common in retrofit and medium-performance needs |
MIL-DTL-5015 | QPL-approved | High-power capacity, rugged shell, threaded coupling | Heavy machinery, ground/naval systems | Excellent for power distribution applications |
MIL-DTL-83723 | QPL-approved | Hybrid of 38999 and 5015 features, fire/smoke resistance | Aircraft, helicopters, extreme environments | Used where performance + durability are critical |
COTS (Commercial Off-the-Shelf) | Non-QPL / Commercial | Cost-effective, variety of materials, less rigorous testing | Non-combat systems, training equipment, logistics | Ideal for budget-sensitive or non-critical systems |
38999 Commercial Variants | Commercial equivalents | Similar form factor, reduced cost, may lack full MIL compliance | Prototyping, non-military systems | Useful for early-stage design or test beds |
Typical applications include avionics, military vehicles, radar systems, and communication infrastructure.