Multi-Pin Circular Connectors

Military circular and rectangular connectors


The MIL-C-28840 miniature circular connector offers a variety of features and benefits including a unique retention system. This system provides a retention clip on the contact to offer maximum economy and improved field serviceability. Winchester’s M28840 connectors are available in a wide range of backshells and strain reliefs for increased versatility with each application.

Key features include:

  • High contact density (without a decrease in contact spacing)
  • Scoop-proof aluminum shells designed for maximum protection
  • Threaded couplings
  • Five-key polarization options
  • Fluorosilicone rubber sealing provides fluid immersion protection
  • Cadmium over nickel shell finishes for maximum corrosion resistance
  • Resistance to MIL-S-901 shock testing