Eaton 85100AC128S50 Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100AC128S50
Quick Summary
85100AC128S50 is a square-flange receptacle used for MIL-DTL-26482 wiring in rugged aerospace and defense systems. Engineers often struggle with compatibility across MIL connectors and ensuring SI qualification for mission-critical environments. This design delivers MIL-DTL-26482 SI qualification and REACH compliance, providing regulatory confidence and robust environmental protection with cadmium plating. By delivering an 8-contact, compact solution, it supports scalable, high-density assemblies for aerospace and industrial automation while reducing weight and installation time. The result is improved reliability, easier procurement, and a clearer path to field-ready integration across demanding programs.
Product Information
Extended Description
85100AC128S50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, female solder contacts, pos N; 85100AC128S50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC128S50
Product Length/Depth
48 mm
Product Height
26.5 mm
Product Width
26.5 mm
Product Weight
21.3 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
N
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Socket (Female)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Plating
Cadmium
Shell material
Aluminium
Shell size
12
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
8
Number of cavity #20
8
Feature: MIL-DTL-26482 SI qualified provides proven MIL-spec reliability → Business Impact: reduces qualification risk in defense/aerospace programs and shortens approval cycles → Application: mission-critical avionics harnesses and naval systems. Feature: 8 solder-cup contacts in an 8-position cavity → Business Impact: enables compact, high-density wiring with secure retention → Application: sensor arrays and control modules in harsh environments. Feature: Cadmium plating on an aluminium shell → Business Impact: enhances corrosion/oxidation resistance and weight efficiency → Application: external assemblies subject to vibration and humidity. Feature: Backshell adaptor with straight orientation and N connector → Business Impact: simplifies mating and improves alignment during assembly → Application: field service and maintenance where space is constrained. Feature: 1/3 Bayonet coupling → Business Impact: fast, reliable mating with strong vibration resistance → Application: airborne and ground vehicles. Feature: Operating temperature range -40 °C to 125 °C → Business Impact: ensures performance across extreme conditions → Application: military ground equipment and industrial automation in challenging climates.
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FAQs
The 85100AC128S50 is a square flange receptacle in the Souriau 851 series using a 1/3 bayonet coupling. It mates with corresponding Souriau 851 series square flange receptacle or plug components designed for MIL-DTL-26482 interfaces. Compatibility hinges on matching the backshell adaptor, contact type (Solder Cup), and contact arrangement (8 contacts). When selecting mating parts, verify the connector orientation (N) and that the mating accessory set includes the appropriate engineer-approved connector for your harness layout.
Key performance specs include MIL-DTL-26482 SI qualification, 8 solder-cup contacts, and 1/3 bayonet coupling with an aluminium shell. The straight backshell and cadmium plating provide improved environmental resilience, while the operating temperature range of -40 °C to 125 °C supports operation across extreme aviation conditions. For high-vibration applications, ensure proper mating and secure retention through the bayonet coupling and verify that the 8-contact configuration meets your harness density requirements.
Yes. The connector is MIL-DTL-26482 SI qualified and features cadmium plating with an aluminium shell, plus REACH environmental compliance. These attributes support operation in harsh environments typical of aerospace and defense equipment, with better corrosion resistance and regulatory alignment for supplier and program requirements.
The design includes a straight backshell adaptor and a 1/3 bayonet coupling that enables rapid mating and secure engagement, reducing field assembly time. Delivered with connector accessories simplifies on-site assembly, and the 8-contact configuration supports efficient, high-density wiring in compact harnesses, helping maintenance teams reuse existing interfaces without redesigns.
Plan for an 8-contact arrangement in a square flange receptacle with a 48 mm length and 26.5 mm width/height, 21.3 g weight, and cadmium plating on aluminium shell. The operating range is -40 °C to 125 °C, with solder-cup contact delivery and N orientation, ensuring robust performance in MIL-spec assemblies. Confirm that your system harnesses support the 1/3 bayonet coupling and the backshell adaptor to achieve reliable, vibration-resistant connections.