C-21 / MIL-C-85028 Connectors

Delphi Connection Systems

Delphi C-21 / MIL-C-85028 Connectors are innovative, extremely versatile environmental connectors which utilize crimp/removable contacts. Individual wire seals and interfacial seals are utilized on the contacts, which provide superior moisture sealing effectiveness under harsh and extreme pressure differentials. A variety of insert arrangements and polarizations with a POLARHEX™ center jackscrew are available. Delphi C-21 / MIL-C-85028 Connectors provide high contact density, long life, reliability and economy in extreme harsh environments, including the rigorous challenges of both commercial and military applications.


  • MIL-C-85028 qualified
  • Moisture sealing component utilizing crimp/removable contacts
  • Wire sizes: 16 to 28 AWG (American Wire Gauge) [0.08 to 1.0 mm2]
  • Connector sizes: 20, 52, 80, 104, 158 and 212, with size 16 contacts


  • Commercial and military airborne equipment
  • Shipboard and undersea systems
  • Space satellites and space stations
  • Towed arrays