Eaton 85100AC2221PX50 MIL-DTL-26482 SI Receptacle
Part Number: 85100AC2221PX50
Quick Summary
Eaton Souriau 851 series MIL-DTL-26482 SI qualified is a rugged square flange receptacle designed for MIL-DTL-26482 applications. End users often struggle with reliable mating under vibration, corrosion exposure, and maintenance overhead in harsh environments. Key certifications include MIL-DTL-26482 SI qualification and REACH compliance, with cadmium plating and an aluminium shell delivering durability. This combination supports reliability, regulatory compliance, and lower total cost of ownership in aerospace, defense, and industrial automation contexts. For designers and procurement teams, this 21-contact, straight adaptor receptacle offers straightforward integration with compatible Eaton Souriau connectors, while providing robust performance and long service life. In demanding industrial settings, 1/3 bayonet coupling and a compact profile enable rapid, secure field installations.
Product Information
Extended Description
85100AC2221PX50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos X; 85100AC2221PX50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2221PX50
Product Length/Depth
53 mm
Product Height
40 mm
Product Width
40 mm
Product Weight
62.3 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Adaptor
Connector accessory option
Delivered with connector
Connector orientation
X
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
21
Plating
Cadmium
Shell material
Aluminium
Shell size
22
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
21
Number of cavity #16
21
Feature MIL-DTL-26482 SI qualification → Business Impact Ensures compatibility with military-grade connectors and high-reliability performance in vibration and harsh environments. Application Aerospace, defense, and rugged automation panels. Feature 21 contacts in a compact 53 mm length, 40 mm width, and 40 mm height → Business Impact High contact density with a lighter footprint improves harness routing and installation efficiency. Application Instrument panels and external units where space is at a premium. Feature 1/3 Bayonet coupling and straight adaptor backshell → Business Impact Fast, secure mating with reliable retention, reducing assembly time and field failures. Application Fielded equipment and portable systems requiring quick servicing. Feature Cadmium plating on an aluminium shell → Business Impact Improved corrosion resistance and longevity in challenging environments, while keeping weight down. Application Marine, aviation, and outdoor industrial deployments. Feature 21 solder cup male contacts → Business Impact Reliable, soldered connections with proven durability under thermal cycling. Application Power/signal interfaces in aerospace and industrial controls. Feature Delivered with connector and X orientation → Business Impact Simplified integration and consistent alignment across multiple assemblies, reducing custom harnessing. Application System-level installations and retrofit projects. Feature Wide operating temperature range -40 °C to 125 °C → Business Impact Maintains performance across extreme climates, reducing downtime. Application Arctic to desert environments in field automation. Feature Aluminium shell, shell size 22 → Business Impact Lightweight yet sturdy enclosure, enabling easier mounting and handling. Application Space-constrained enclosures and aircraft panels. Feature 21 cavities and square flange receptacle type → Business Impact High-channel density with sturdy mechanical interface for modular systems. Application Data/avionics racks and connector backplanes. Feature Environmental compliance REACH → Business Impact Supports regulatory compliance and sustainability goals. Application Global manufacturing with environmental requirements.
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FAQs
The 85100AC2221PX50 is designed to pair with Souriau 851 series and other MIL-DTL-26482 style receptacles. It features a 1/3 bayonet coupling and male solder cup contacts, delivered with a connector option for straightforward harness integration. For assemblies, ensure shell size 22 and the X orientation to align with the mating half and backshell adaptor.
This receptacle operates from -40 °C to 125 °C, supporting reliable performance across extreme climates. It uses aluminium shell construction with cadmium plating for corrosion resistance, and complies with REACH environmental requirements. These specs help ensure long service life in aerospace, defense, and industrial environments.
Yes. The model is MIL-DTL-26482 SI qualified, which is a recognized standard for high-reliability military and aerospace connectors. Its 21-position configuration, 1/3 bayonet coupling, and aluminium cadmium-plated shell are chosen to withstand vibration, temperature shifts, and rugged handling common in aerospace and defense systems.
The receptacle is MIL-DTL-26482 SI qualified and REACH compliant. Cadmium plating provides corrosion resistance, while the aluminium shell keeps weight low. These certifications and materials choices help meet regulatory and industry requirements for safety, performance, and environmental responsibility.
Delivered with connector, straight adaptor, and X orientation simplify installation and alignment, reducing integration time. The 21-contact layout supports high-density wiring, while the 1/3 bayonet coupling provides rapid mating and secure retention under vibration. Overall, this lowers maintenance costs and improves system uptime in fielded equipment.