USA Harness USA-PLUS Modular Connection System

The USA-PLUS Modular Connection System features a lock pin of contrasting color to ensure complete connection mating.

Usa Harness

USA Harness Inc., has been granted a patent for its USA-PLUS Modular Connection System.

  • Updated version improves on O-ring-style seal and secondary lock pin design
  • Features design variation that increases engagement integrity between system’s integral O-ring and corresponding groove of its mated connection
  • Lock pin of contrasting color helps inspectors identify complete connection mating
  • Lock pin assures precision alignment of all components and a firm, complete, watertight union
  • Employs dielectric grease as a sealing agent and a barrier to moisture, dirt and corrosion
  • Easy for OEMs to assemble
  • Uses the same USA-PLUS Modular Connection System throughout
  • All connectors are constructed using a durable virgin vinyl molding compound
  • Keyed pin orientation guides precision interface every time, ensuring even novice assemblers can make flawless connections quickly and repeatedly 
  • Harness ends can be constructed to mate with incandescent or LED lamp from any major manufacturer
  • Remains fully operational and unimpeded after three times the salt spray testing exposure period recommended by SAE
  • Offered in a variety of styles that will accommodate virtually any modular plug-together application
  • Includes 2-way, 4-way, 6-way and 7-way configurations
  • 10-way system available for use in demanding military applications and for electrical systems with auxiliary circuitry


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