Eaton 85100AC124P50 Souriau 851 series - MIL-DTL-26482 SI qualified

Part Number: 85100AC124P50
Manufacturer
Eaton
Part number
85100AC124P50

Quick Summary

Eaton Souriau 851 series MIL-DTL-26482 SI qualified receptacle delivers rugged, reliable interconnects for aerospace, defense, and industrial systems. End users face vibration, corrosion, and complex mating requirements that can lead to downtime and field failures. The 851 series is MIL-DTL-26482 SI qualified, cadmium plated for harsh environments, and offered with a square flange receptacle for robust mounting. From a procurement perspective, the combination of 4 contacts, 1/3 bayonet coupling, and solder-cup pins drives faster assembly without compromising reliability. Designed for easy field maintenance, the adaptor backshell and N orientation simplify installation in tight enclosures. The product's environmental compliance, extended operating range, and lightweight aluminium shell support cost-efficient upgrades across legacy and new builds.

Product Information

Extended Description

85100AC124P50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos N; 85100AC124P50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC124P50
Product Length/Depth
48 mm
Product Height
26.5 mm
Product Width
26.5 mm
Product Weight
19 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
Pin (Male)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
4
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
4
Number of cavity #16
4
Four-contact arrangement with solder cup contacts provides compact, reliable signal and power transfer in a single 4-position receptacle. This configuration supports stable electrical performance, reducing contact resistance variations and field maintenance while enabling consistent operation in vibration and shock environments. In aerospace, defense, and industrial automation harnesses, it delivers a predictable, high-integrity connection. The 1/3 Bayonet coupling enables fast, secure mating with reduced cycle time, lowering downtime during assembly and servicing in tight spaces. This design decision improves throughput on aircraft, ground vehicles, and heavy equipment where frequent mating is required. Cadmium plating on an aluminium shell delivers corrosion resistance with light weight, extending service life in harsh environments and lowering lifecycle costs. The rugged outer shell supports long-term installations in outdoor, coastal, and industrial settings while meeting REACH compliance expectations. The straight backshell and adaptor configuration offer installation flexibility and clean cable routing, reducing assembly errors and enabling neat harness management in panel-mounted equipment. Dense 26.5 mm square flange footprint with a 48 mm depth and four contacts per housing enables higher channel counts per panel without increasing footprint, benefiting avionics bays, robotics, and automation controllers. Delivered with a connector, loaded with male solder cup contacts, and compatible with Souriau mating partners, this receptacle minimizes sourcing complexity and accelerates qualification testing for new builds and upgrades.

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FAQs

To install, align the mating plug with the 85100AC124P50 receptacle and rotate the 1/3 bayonet coupling to lock engagement. Ensure the connector orientation is set to N and verify the backshell adaptor is seated properly for correct cable routing. This enables a repeatable, vibration-resistant seal suitable for aerospace and industrial environments.
Yes. The 85100AC124P50 is a MIL-DTL-26482 SI qualified square flange receptacle designed to mate with matching Souriau 851 series plugs and other compliant components. It uses four solder-cup contacts and a 1/3 bayonet coupling to ensure reliable, high-integrity connections across compatible assemblies.
This connector operates from -40 °C to 125 °C and is compatible with REACH environmental requirements. Cadmium plating provides corrosion resistance in harsh environments, while the aluminium shell keeps weight down for aerospace and industrial applications.
Best suited for avionics, defense platforms, and rugged industrial automation, the 85100AC124P50 supports 4-position, solder-cup contacts in a compact square flange form factor. Its vibration tolerance, wide temperature range, and robust backshell options make it ideal for panel-mounted harnesses and space-constrained installations.
Cadmium plating offers enhanced corrosion resistance, extending service life in harsh environments and reducing maintenance frequency. When paired with an aluminium shell, the assembly maintains strength while minimizing weight, yielding lower total cost of ownership over the equipment’s lifecycle.