Eaton 85100A82P50 Square Flange Receptacle - MIL-DTL-26482 SI qualified
Part Number: 85100A82P50
Quick Summary
The Eaton 85100A82P50 is a MIL-DTL-26482 SI qualified square flange receptacle for rugged aerospace and defense applications. Engineers often struggle with reliable mating, corrosion protection, and compatibility under extreme temperatures in fielded systems. This design is MIL-DTL-26482 SI qualified and supports REACH environmental compliance, helping meet regulatory demands. For OEMs and integrators, the compact 8-contact, cadmium-plated aluminium shell delivers fast installation, long service life, and predictable maintenance in aerospace, defense, and industrial automation. The straight adaptor and N orientation simplify panel mounting, while the connector's solder cup contacts ensure robust signal transfer in challenging vibration and temperature cycles.
Product Information
Extended Description
85100A82P50 Eaton: Square flange receptacle, straight adaptor, cadmium plating, male solder contacts, pos N; 85100A82P50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100A82P50
Product Length/Depth
41 mm
Product Height
21 mm
Product Width
21 mm
Product Weight
9.4 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
2
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
8
Number of cavity #20
2
MIL-DTL-26482 SI qualification provides regulatory-grade reliability for aerospace and defense programs, reducing field failures and warranty costs while meeting stringent sourcing requirements. The Souriau 85100A82P50 square flange receptacle is designed to withstand vibration, temperature cycling, and salt-spray environments with cadmium plating and an aluminium shell. Application: panel-mounted connectors and front-end harness interfaces with 1/3 bayonet coupling and straight backshell streamline installation in aerospace and industrial automation. Increases contact density without enlarging the panel footprint, enabling compact harness routing and easier future upgrades. The cadmium finish adds corrosion resistance in coastal or humid environments, while the aluminium shell keeps weight manageable for airframe integration. Compatibility and installation are further aided by delivered-with connector options and a clear N orientation for mating alignment.
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FAQs
The 85100A82P50 is designed to mate with the corresponding Souriau/MIL-DTL-26482 plug using a 1/3 bayonet coupling. It ships as a loaded receptacle with pin contacts and solder cup terminations and uses a straight backshell adaptor with N orientation. Pair it with the matching 851-series plug to complete the circuit and ensure proper alignment and mechanical fit.
The connector supports operation from -40 °C up to 125 °C, making it suitable for wide-temperature aerospace and harsh industrial environments. It carries REACH environmental considerations, aligning with European chemical compliance requirements for supply chains and long-term regulatory compatibility.
Yes. The Eaton Souriau 85100A82P50 is MIL-DTL-26482 SI qualified, a standard used in aerospace and defense programs for high-reliability connectors. The aluminium shell and cadmium plating provide weight savings and corrosion resistance, while the 1/3 bayonet coupling and straight backshell support rapid, secure mating in demanding environments.
This receptacle provides 8 contacts arranged in 2 cavities (2 x #20). Contacts are solder cup type, with pin (male) gender, designed for robust solder connections to harnesses or PCBs. This configuration facilitates compact wiring harness routing while preserving signal integrity under vibration and thermal cycling.
Key installation benefits include a straight backshell adaptor, N orientation, and 1/3 bayonet coupling that enables quick, reliable mating with minimal misalignment. Delivered-with-connector compatibility simplifies procurement, while the cadmium finish and aluminium shell deliver corrosion resistance and weight efficiency—critical for fielded equipment and OEM panel integrations.