Eaton 85100A84P50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100A84P50
Quick Summary
The Eaton 85100A84P50 is a MIL-DTL-26482 SI qualified square flange receptacle for rugged aerospace connectors. Engineers often wrestle with unreliable mating and costly maintenance in harsh environments, a pain this part is designed to reduce. It carries MIL-DTL-26482 SI qualification and REACH compliance to support regulatory requirements, while cadmium plating and an aluminium shell boost corrosion resistance and longevity. This combination reduces field failures, simplifies sourcing, and enables straightforward installation with a straight adaptor and solder-cup contacts. In practice, it delivers reliable performance for high-demand military and aerospace applications while supporting efficient procurement and serviceability.
Product Information
Extended Description
85100A84P50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos N; 85100A84P50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A84P50
Product Length/Depth
41 mm
Product Height
21 mm
Product Width
21 mm
Product Weight
10 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
8
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
4
Number of cavity #20
4
Feature MIL-DTL-26482 SI qualification → Business Impact Ensures system-level compatibility and supply chain confidence across regulated programs. Application Aerospace, defense, and rugged industrial equipment. The certification also supports interchangeability with other MIL-DTL-26482 capable components. Feature Cadmium plating on aluminium shell → Business Impact Provides corrosion resistance and weight savings in exposed environments. Application Aircraft and vehicle assemblies where EMI/EMC considerations matter. Feature 1/3 Bayonet coupling → Business Impact Enables fast, vibration-resistant mating with reliable retention. Application Fielded equipment and mobile platforms where rapid servicing is crucial. Feature Solder Cup contact with 4 pins → Business Impact Simplifies wire termination and maintenance, reducing assembly time. Application Cable harnesses and modular power systems in tight spaces. Feature Square flange receptacle, straight adaptor → Business Impact Improves alignment and mounting stability, facilitating installation in compact enclosures. Application Control cabinets and avionics racks. Feature Operating range -40 °C to 125 °C → Business Impact Ensures performance across extreme temperatures, reducing field failures. Application Aerospace, defense, and industrial automation.
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FAQs
The 85100A84P50 is designed for compatibility with Souriau 851-series components using MIL-DTL-26482 SI qualification. It features a square flange receptacle, straight adaptor, and 1/3 bayonet coupling, enabling reliable mating with compatible square flange connectors and standard Souriau 851 series panels in aerospace and defense applications.
MIL-DTL-26482 SI qualification ensures mechanical and environmental performance under vibration, shock, and temperature variations typical of aerospace and military platforms. It provides established interchangeability, better predictability for lifecycle management, and reduces risk when integrating with other MIL-DTL-26482 compliant components.
Yes. The 85100A84P50 operates from -40 °C to 125 °C, supporting high-temperature aerospace environments. The aluminium shell with cadmium plating provides additional corrosion resistance, while the straight adaptor and 1/3 bayonet coupling maintain reliable mating during thermal cycling and vibration.
For installation, ensure alignment with the mating connector using the straight adaptor and square flange mounting. The 4-contact configuration and solder cup contacts simplify harness termination, and the N orientation aids consistent orientation during panel routing. Cadmium plating improves longevity in exposed environments, reducing maintenance intervals.
The combination of MIL-DTL-26482 SI qualification, cadmium plating, and an aluminium shell supports durable performance in harsh conditions, minimizing field failures and maintenance downtime. Solder cup contacts simplify rework, while the 1/3 bayonet coupling allows repeatable, secure mating, contributing to lower lifecycle costs in demanding aerospace and defense programs.