Eaton 85100AC2027PZ50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100AC2027PZ50
Quick Summary
The Eaton Souriau 851 series MIL-DTL-26482 SI qualified receptacle provides reliable, rugged connections for demanding aerospace and defense applications. Engineers often struggle with mating fatigue, corrosion, and assembly delays in mixed-contact harness environments. This product carries MIL-DTL-26482 SI qualification and REACH compliance, with cadmium plating for corrosion resistance and an aluminium shell designed to withstand harsh operational loads. Its 27-contact layout, 1/3 bayonet coupling, and straight backshell orientation simplify harness routing and field installation, reducing downtime and maintenance costs. Designed for long service life in extreme temperatures, it supports reliable performance across -40 to 125 °C. This combination delivers measurable business value by improving uptime and simplifying supply chain compatibility for defense, aviation, and industrial OEMs.
Product Information
Extended Description
85100AC2027PZ50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos Z; 85100AC2027PZ50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2027PZ50
Product Length/Depth
53 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
49.8 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
Z
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
27
Plating
Cadmium
Shell material
Aluminium
Shell size
20
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
27
Number of cavity #20
27
The 27-contact layout in a compact aluminium shell enables dense power and signal routing, reducing panel size and wiring complexity while maintaining robust mechanical integrity in high-vibration environments; the business impact is lower assembly time and reduced material costs in avionics harness builds. In addition, the 1/3 bayonet coupling paired with a straight backshell orientation offers quick, repeatable mating with less risk of misalignment, accelerating installation and maintenance in field service scenarios. Cadmium plating provides corrosion protection in exposed systems, while the aluminium shell delivers a favorable strength-to-weight ratio, contributing to lighter assemblies and improved overall system efficiency in aircraft and ground-support equipment. The backshell adaptor and Z-oriented connector design simplify harness routing, enabling cleaner cable management and faster system upgrades in evolving platforms. With 27 loaded solder cup contacts, engineers can consolidate functions without sacrificing reliability, supporting modular, scalable architectures in defense electronics and industrial automation.
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FAQs
The 85100AC2027PZ50 is designed to integrate with the Souriau 851 family through MIL-DTL-26482 interfaces, sharing dimensions, backshell options, and the 1/3 bayonet coupling. It supports similar contact counts and layouts, enabling seamless panel-to-panel and cable-to-cable assemblies while maintaining compatibility with existing 851-series harnesses.
For panel mounting, use the square flange receptacle’s adaptor/backshell configuration to ensure orientation in the Z direction. The straight backshell simplifies cable routing, and the 27-contact arrangement enables dense wiring in a compact footprint. Confirm cadmium plating compatibility with your RoHS/REACH requirements and ensure proper sealing and grounding practices in your enclosure.
This connector features 27 solder cup contacts, a Pin male contact gender, and 1/3 Bayonet coupling with a straight backshell. The aluminium shell is size 20 and the unit weighs 49.8 g. Operating temperature spans -40 °C to 125 °C, with cadmium plating for corrosion resistance and a square flange receptacle configuration for secure mounting.
The 85100AC2027PZ50 carries MIL-DTL-26482 SI qualification for high-reliability military/aerospace use and REACH compliance for environmental safety. Note that cadmium plating provides robust corrosion protection; verify with your compliance team how this impacts any RoHS restrictions in your supply chain.
Benefits include reduced harness complexity with 27 contacts in a single shell, faster mating thanks to bayonet coupling, and fewer field failures due to robust aluminium housing and cadmium protection. The combination minimizes downtime, extends service life in extreme temperatures, and simplifies spares inventory for defense and aerospace programs.