Eaton 85100AC2255P50 Receptacle - MIL-DTL-26482
Part Number: 85100AC2255P50
Quick Summary
Eaton 85100AC2255P50 is a square flange receptacle for MIL-DTL-26482 connections in demanding aerospace and defense assemblies. Engineers often struggle with corrosion resistance, misalignment, and seal integrity in harsh operating environments, which can drive costly diagnostics and downtime. This part is MIL-DTL-26482 SI qualified and features an aluminium shell with cadmium plating to endure rugged field conditions while maintaining electrical performance. With a straight adaptor, N-oriented coupling, and 55 solder-cup contacts, it delivers reliable mating and straightforward installation in tight panels. By combining robust construction with proven standards, this connector supports scalable system integration and long-term total cost of ownership reduction.
Product Information
Extended Description
85100AC2255P50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos N; 85100AC2255P50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC2255P50
Product Length/Depth
53 mm
Product Height
40 mm
Product Width
40 mm
Product Weight
65.9 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
55
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
55
Number of cavity #20
55
Feature: MIL-DTL-26482 SI qualification ensures aerospace-grade reliability in extreme conditions. Business impact: lowers field failure risk and streamlines supplier qualification for defense programs. Application: ideal for avionics, radar, and military power systems where qualified connectors are mandatory. Feature: Cadmium plating on the shell increases corrosion resistance. Business impact: reduces maintenance cycles and extends service life in salt spray and high-humidity environments. Application: outdoor installations, maritime equipment, and rugged field deployable systems. Feature: Aluminium shell delivers a strong yet lightweight housing. Business impact: reduces overall system weight and improves heat management in compact enclosures. Application: aerospace panels, ground-support equipment, and vehicle installations where weight matters. Feature: 55 solder cup contacts enable high-density signaling and power transfer. Business impact: supports complex channel counts without additional connectors, cutting assembly time. Application: multi-channel control networks, avionics subsystems, and communications arrays. Feature: 1/3 Bayonet coupling with straight backshell adaptor orientation N. Business impact: fast mating, secure locking, and repeatable alignment in field service. Application: quick replacement in restricted panels and compatibility with straight adaptor accessories.
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FAQs
Ensure MIL-DTL-26482 compatibility and align the connector orientation to N. Fit the straight adaptor, insert the receptacle, and complete the mating sequence with the 55 solder cup contacts. Verify cadmium-plated shell cleanliness and secure any backshell hardware before final enclosure assembly.
Yes. The connector operates from -40 °C to 125 °C, making it suitable for extreme temperature conditions typical in aerospace and defense installations while maintaining electrical performance and reliable mating.
Yes. The product specification notes REACH compliance, reflecting its suitability for use in environments with strict chemical regulations and supply-chain requirements.
Its MIL-DTL-26482 SI qualification, rugged aluminium shell with cadmium plating, and 55 solder cup contacts deliver certified performance, robust sealing, and dependable mating in mission-critical systems such as avionics and radar equipment.
The combination of corrosion resistance, strong mechanical design, and a pre-delivered configuration reduces maintenance cycles and field replacement costs, contributing to lower total cost of ownership for long-duration programs.