Eaton 85100AC84P50 Receptacle - MIL-DTL-26482 SI Qualified
Part Number: 85100AC84P50
Quick Summary
The Eaton 85100AC84P50 Receptacle delivers a rugged MIL-DTL-26482 interface for mission-critical electrical assemblies. In the field, engineers often contend with compatibility gaps and corrosion risks when upgrading legacy harnesses. The product carries MIL-DTL-26482 SI qualification and REACH environmental compliance, with a cadmium-plated aluminium shell that resists harsh conditions. Used in aerospace, defense and rugged industrial automation, it supports quicker assemblies and lower field failure rates. This design also simplifies sourcing for high-mix, low-volume programs by aligning with Souriau 851-series mating patterns. Customers appreciate its 4-pin count, straight-back adaptor option, and ready-to-mate configuration for rapid system integration. Together, these features translate to reduced downtime and measurable maintenance savings.
Product Information
Extended Description
85100AC84P50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos N; 85100AC84P50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100AC84P50
Product Length/Depth
48 mm
Product Height
21 mm
Product Width
21 mm
Product Weight
13 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 ensures a proven, rugged interface that withstands vibration and contamination. Business Impact: Higher reliability reduces field failures and service costs, safeguarding production uptime. Application: Ideal for aerospace avionics and defense systems where dependable connectors are non-negotiable. Long-tail keywords integrated: MIL-DTL-26482, Souriau 851 series, rugged connector, mission-critical assemblies. Feature: Cadmium plating with an aluminium shell provides corrosion resistance while keeping weight to a minimum. Business Impact: Extended component life in harsh environments lowers replacement cycles and maintenance burden. Application: Mobile and outdoor equipment, weather-exposed control panels. Long-tail keywords integrated: cadmium plating, aluminium shell, corrosion resistance, lightweight connector. Feature: 4 solder cup contacts with a straight adaptor and elevation of N orientation supports straightforward PCB or harness integration. Business Impact: Accelerates assembly, improves signal integrity, and reduces installation rework. Application: Panel-mount devices and compact control modules. Long-tail keywords integrated: solder cup, PCB connection, straight adaptor, N orientation. Feature: 1/3 bayonet coupling delivers secure mating with quick release, boosting field service efficiency. Business Impact: Faster maintenance, reduced downtime, and safer, vibration-resistant connections. Application: Harsh-duty environments like aircraft bays and industrial automation racks. Long-tail keywords integrated: 1/3 bayonet, quick-release coupling, vibration resistance. Feature: Square flange receptacle with delivered connector option, backshell adaptor, and 8-shell size footprint, plus 48 mm length and compact 21x21 mm profile. Business Impact: Enables compact, panel-friendly installations and easier retrofits. Application: Space-constrained enclosures and retrofits in automation lines. Long-tail keywords integrated: square flange receptacle, backshell adaptor, 48 mm length, compact footprint. Feature: Weight of 13 g and cadmium plating meet strict form-factor and durability requirements while operating from -40 °C to 125 °C. Business Impact: Maintains performance across temperature extremes, supporting reliability in automotive, aerospace and industrial environments. Application: High-temperature control cabinets and avionics housings. Long-tail keywords integrated: operating temperature -40°C to 125°C, lightweight connector, durable assembly.
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FAQs
The 85100AC84P50 is designed as a Souriau 851-series compatible square flange receptacle with a straight adaptor option and N orientation. It uses 4 solder cup contacts and a 1/3 bayonet coupling, enabling reliable mating with existing 851-series interconnects while supporting quick field installation and reduced rework. This compatibility helps protect existing harness investments and simplifies spares management.
The 1/3 bayonet coupling provides a secure, positive locking mechanism that resists loosening under vibration and shock. This design shortens install time because mating is straightforward and repeatable, reducing alignment issues. In aerospace and rugged industrial environments, the feature translates to fewer mid-life maintenance events and better long-term system integrity.
Yes, the 85100AC84P50 supports REACH environmental compliance, aligning with modern regulatory expectations for chemical use and worker safety. The cadmium plating is chosen for durability, while the aluminium shell provides a lightweight, robust housing. This combination helps meet regulatory requirements while delivering reliable performance in harsh settings.
With a compact 48 mm product length and a 21 mm by 21 mm footprint, the 85100AC84P50 is well-suited for space-constrained panels and enclosures. The square flange receptacle layout simplifies mounting in compact control cabinets, while the 13 g weight supports lighter assemblies in mobile or airborne equipment. The straight backshell adaptor aids in clean, straightforward routing of cables and harnesses.
In high-mix, low-volume environments, the 85100AC84P50 reduces procurement complexity by aligning with existing Souriau 851-series components and simplifies sourcing. Its rugged MIL-DTL-26482 SI qualification minimizes downtime due to field failures, while the quick-mating 1/3 bayonet coupling lowers labor costs during installation and maintenance, delivering a favorable total cost of ownership over the product lifecycle.