MKJ Miniature Circular Connectors


High Performance Data, Power & Signal in a
Lightweight, Space-Saving Design


Cannon’s MKJ Miniature Circular Connectors enable high-speed data, power and signal transmission in a wide range of technology-driven applications and platforms. At less than half the size and weight of standard military-grade interconnects, MKJ offers highly engineered design, performance and reliability, but in a much smaller design package. Choose from five different MKJ connectors in a variety of coupling options - UN Thread, Double Start, Triple Start, Bayonet and Cannon Breakaway. Our MKJ Connector Series also comes with rear accessory threads or integral band platform for direct attachment of cable shield and overmold. 
Key Markets & Applications 
  • Soldier-Worn - Hand-held radios, man-pack radios, GPS devices
  • Military Aviation - Shock & vibration, EMI prevention
  • Commercial Aviation - Cabin systems, seating solutions 
  • Medical - Patient Diagnostic Equipment​
  • Industrial - Heavy Equipment 
Key Features & Benefits 
  • 71% weight and 52% size reduction without the loss of reliability (compared to 38999 layouts with size 22 contacts)
  • Available with rear-release crimp, PC tail or solder cup contacts
  • Fully intermateable with other miniature circular connectors on the market
  • Field repairable & maintainable, allowing for quick fixes, cleaning and reconnections
  • Shells and jam nuts in aluminum alloy or corrosion-resistant stainless steel (AMS-QQ-S 763)
  • Up to 2,000 mating cycles, providing excellent durability with robust and sustainable plating construction materials
  • Environmentally sealed using fluorosilicone material for the front interfacial seal and rear wire sealing grommet
  • Custom cable solutions including overmolds that are suitable for military requirements in harsh environments 
Learn More 
  • Click HERE to visit the MKJ0 UN Thread Product Page 
  • Click HERE to visit MKJ1 Double Start Product Page 
  • Click HERE to visit MKJ3 Bayonet Product Page
  • Click HERE to visit MKJ4 Breakaway Product Page
  • Click HERE to visit MKJ5 Triple Start Product Page 
MKJ Connector Series Downloads  


Learn how our MKJ Miniature Circular Connectors can support your next program. Complete & submit this form and a Cannon representative will contact you. 

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