The MIL-DTL-38999 Series III standards for performance and durability and is 100% compatible with all commercial and military derivatives. The  Series is our most technologically ad vanced series of cylindrical connectors available. Connectors can accommodate the highest density of  contacts and feature the most comprehensive selection of contacts, including fiber optic, twinax, coax, quadrax, and PC tail contacts. Coupling  is achieved with one 360° turn of the self-locking coupling ring, which is designed with triple-start, impact-resistant stub threads.Standard  RFI grounding fingers provide superior shell-to-shell conductivity for shielded applications, while available stainless steel shells protect connectors in harsh environments. For mission-critical applications that demand absolute reliability.

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• MIL-DTL-38999 Series III compatibility                                                                                     
• High-density, up to 128 contacts (#22D)
• Wide variety of specialty contacts (PC tail, RF, fiber optic)
• Self-locking, ratchet coupling
• Triple-start, impact-resistant stub threads
• 100% scoop-proof shell design for contact protection
• Hermetic receptacles available for vacuum applications 

D38999/26 Plug →PDF Download    
Description

This D38999/26 style straight plug mates with all MIL-DTL-38999 Series III receptacles. It features a ratchet coupling ring with self-locking teeth that prevent disconnection in high-vibration environments. A strain relief backshell is required, and a protective cover is recommended to protect the connector and contacts when it is not mated.

Cross-Reference & Compatibility 

D38999/20 Receptacle →PDF Download    

Description

D38999/20 receptacle features a four-hole flange for easy mounting to the front or rear of a panel. Accessory threads on the back of the receptacle accept protective backshells. A cover is recommended to protect the contacts when the receptacle is not in use.

Cross-Reference & Compatibility 

D38999/24 Jam Nut Receptacle  →PDF Download  

Description

The D38999/24 style jam nut receptacle features a single-hole mounting design with an integrated O-ring, making it the best option to maintain the environmental integrity of your enclosure. Rear accessory threads accept protective backshells. A cover is recommended to protect contacts when the receptacle is not is use.

Cross-Reference & Compatibility