M55302/58LB66Y

Headers, Receptacles, Female Sockets Overview

The M55302/58LB66Y is a military-grade rectangular connector from the AirBorn W Series, manufactured by Molex. It features a straight mounting angle and utilizes Polyphenylene Sulfide (PPS) for its housing material. The contacts are constructed from copper alloy to ensure reliable signal transmission. This component is rated for a current capacity of 5 A, making it suitable for high-reliability applications requiring robust electrical performance in demanding environments.

Headers, Receptacles, Female Sockets Feature Summary

• Field-proven flight heritage design with three reliable points-of-contact
• Engineered for extreme conditions including high vibration and shock
• Utilizes durable Polyphenylene Sulfide housing and copper alloy contacts

Headers, Receptacles, Female Sockets Applications

• NASA Space Shuttle systems
• Mars Rover missions
• Military and government avionics
• Commercial weather and observation equipment

Headers, Receptacles, Female Sockets Procurement Notes

Verify the specific suffix against official AirBorn or Molex documentation to confirm exact contact configuration and housing variations. Ensure compatibility with required MIL-DTL-55302 standards. Cross-reference tools may suggest substitutes, but original part specifications must be validated against the manufacturer's datasheet before procurement to guarantee mission-critical reliability.

Headers, Receptacles, Female Sockets Selection Notes

Select this connector when mission-critical reliability and flight heritage validation are required. The W Series offers diverse row options and contact counts. Consider the 5 A current rating and PPS housing properties for environmental resistance. Verify that the straight mounting angle fits the mechanical constraints of the target assembly compared to angled alternatives.

Headers, Receptacles, Female Sockets Part Context

This component belongs to the AirBorn W Series, a line of MIL-DTL-55302 compliant connectors known for high-density and high-reliability performance. The series is designed for tough, mission-critical applications where failure is not an option. It complements the R-Series offerings within the Molex/AirBorn portfolio for comprehensive interconnect solutions.

Headers, Receptacles, Female Sockets Replacement Considerations

Cross-reference tools indicate similar parts such as M55302/58LB66Y/59. Verify parametric similarity regarding contact count and row configuration. Ensure any substitute meets the same MIL-DTL-55302 specifications and maintains the required 5 A current rating and environmental durability.