Professional connector solutions

Professional circular connector solutions for demanding environments.

Explore Mil-Conn connector series and access detailed specifications directly from the catalog.

11 Main series
IP68 Sealed connector options
PCB Solder / PCB / right-angle PCB options
Waterproof Push Pull

SM-F Series

Metal waterproof push-pull self-locking connectors with IP68 sealing, EMC shielding and high-density contact options.

IP68 Hermetic PCB / Right-angle PCB
Polarized Keyed

SM-L Series

Metal waterproof push-pull series with multiple angular key positions for compact, keyed applications.

IP68 Polarized Compact
Ultra Compact

SM-U Series

Compact circular connector family with plug and receptacle options for dense layouts and reliable sealing.

Compact Push Pull

High-performance metal connectors built for mission-critical applications.

Push-pull self-locking systems, IP68 sealing, EMC shielding and high-density configurations for industrial, medical and instrumentation environments.

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Secure self-locking connection

Push-pull locking, keyed alignment and sealed receptacle structures for reliable mating in critical applications.

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Built for harsh environments

IP68 sealing, EMC shielding and rugged metal housings for industrial, medical and instrumentation-grade use.

Broad configuration coverage

Plug, socket, panel receptacle, solder, PCB and right-angle PCB options across multiple connector families.

Product Categories

Core product series

Browse the main connector series and open the related catalog pages for technical details, configurations and part options.

Waterproof Push Pull

SM-F Series

Metal waterproof push-pull self-locking connectors with IP68 sealing, EMC shielding and high-density contact options.

IP68HermeticPCB / Right-angle PCB
Polarized Keyed

SM-L Series

Metal waterproof push-pull series with multiple angular key positions for compact, keyed applications.

IP68PolarizedCompact
Ultra Compact

SM-U Series

Compact circular connector family with plug and receptacle options for dense layouts and reliable sealing.

CompactFixed ReceptaclePush Pull
Circular Connector Series

SM-C Series

Professional circular connector category for rugged equipment integrations, panel mounting and cable assemblies.

RuggedPanel MountCable Assembly
Miniature Lightweight

SM-G Series

Advanced miniature, small and lightweight connector series with multiple alignment keys, EMC shielding and hermetic options.

Miniature5 KeysEMC Shielded
High-Speed / Hybrid

SM-A Series

A-series platform for demanding signal, data and hybrid connection use cases, including sealed and mechanically keyed options.

IP68HybridHigh Performance
Cable Collet Series

SM-B Series

Cable-collet based circular connector family with plug, free cable receptacle and fixed receptacle variants.

Cable ColletPlugReceptacle
Multi-Key Circular

SM-K Series

Professional keyed circular connector family with cable collet structures and multiple shell and receptacle models.

KeyedCable ColletPCB Options
Industrial Circular

SM-W Series

Industrial circular connector series with multiple insulator configurations and broad shell-size coverage.

IndustrialInsulator OptionsRugged
MIL Threaded Style

SM-M Series

Connector platform with rugged shell geometries, keyed options and threaded interface details for demanding environments.

ThreadedKeyedRugged
Coaxial / Multipole

SM-S Series

Series supporting multipole and coaxial contact formats, with solder, PCB and right-angle PCB variants.

CoaxialMultipolePCB Variants
Technical catalog access

Open the catalog and go directly to the relevant series.

Access the Mil-Conn catalog by series to review specifications, layouts and connector options. Place the PDF file named Mil-Conn_Catalog.pdf in the same folder as this HTML file for the links to open correctly.

More Product Information

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For more information about Mil-Conn connector series, specifications and product availability,
please contact info@mil-conn.com.