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MIL-DTL-55302 Compliant Connectors

High reliability KN series MIL-DTL-55302 compliant connectors offer signal contacts designed for demanding defense, commercial aerospace and space applications. The 2 and 3 row series are equivalent to MIL-DTL-55302 and offer flexibility not available with other interconnects. This series is also available in the Space Grade qualified version. KNB and KNC are also present with ESA qualification.

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Features & Benefits

  • Featuring Hypertac® Hyperboloid contact technology
  • Mating and unmating cycle life up to 5.000 cycles
  • Available in 2 & 3 row series from 17 and 160 contacts
  • 0.100 [2.54] on center (adjacent rows offset by 0.050 [1.27] to allow straight printed circuit traces)
  • Straight dip, right angle solder, crimp, solder cup and Wire Wrap® terminations
  • 0.024 [0.60] diameter pins/sockets rated at 3 Amps (ESA version at 5 Amps)
  • Average insertion/extraction force of 1 ounce per contact
  • Contacts removable from wiring side (front release, rear removable)
  • Alignment and keying provided by the end guides – 36 combinations (user changeable)
  • Contact resistance less than or equal to 8 mΩ
  • Male or female contacts and guides available in either plug or receptacle
  • Immunity to shock and vibration fretting


KN series MIL-DTL-55302 compliant connectors come in 2 - 3 row configurations designed with the legendary Hypertac® Hyperboloid Technology.  They were designed as high reliability printed circuit board connectors offering pin counts from 17 to 160 contacts which are widely used in defense, commercial aerospace and space applications. Specific ESA qualified and space grade part numbers are available in the KNB/KNC/KND catalog.

Case Study

Smiths Interconnect's 60+ Years of Space Heritage

We have a long history of working with space program engineers to ensure reliability and help bring their state-of-the-art ideas to life. We have proudly delivered failure-free performance in numerous spaceflight programs. Smiths Interconnect designs compact and reliable products suitable for launchers, satellites, manned space flight and ground systems support. Our solutions use space approved materials and controlled processes for minimum mission lifetimes of 15 to 20 years.

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