Dual-Start ACME Threads Coupling connectors
Product Selector & 2M 3D files

Key features
  • Micro-miniature circular connector
  • Heavy Dual-Start ACME Thread
  • Dedicated to harsh environment applications
  • Up to 2,000 mating cycles
  • Two Plug Styles: Ratcheting and Anti-Decoupling
  • Battlefield Communication C5ISR
  • Grounded vehicles
  • Military avionics
  • Missiles & UAVS
Technical information

We have selected over 1000 tops runners for our customers in Europe to provide the best quality & lead time to serve your needs :

  • 19 Arrangements from sizes 6 to 13
  • Self locking Ratchet Plugs, Jam nut & Square flange receptacles
  • Integrated backshells for crimp versions and epoxy potting for PC tail contacts
  • Aluminium shells with several platings such as Nickel, OD Cadmium, Black Zinc Nickel & Durmalon.

To know more, please consult our 2M Top runners catalog

Technical info
Shells :

  • 10 shell sizes available from size 5 to 23

Many shell styles available :

  • Jam nut, square flange & in-line receptacle
  • Integrated backshell versions
  • Stand-off (double flange) for PC tails contacts

Shell material & finishes :

  • Aluminium (Nickel, black Zinc Nickel, Durmalon, OD Cadmium,…)
  • Stainless steel (Nickel plate & passivated)


  •  More than 45 arrangements of contacts, from 1 to 130 contacts
  •  Contacts size 12, 16, 20, 20HD & 23
  •  Crimp, PC Tail & Solder cups contacts

"We have selected over 1000 Top Runners for our customers in Europe to provide top of the line quality services as for the standard MIL-DTL-38999 with improved lead times“

3D files


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Amphenol 2M products are fully Intermateable, Intermountable, and Interchangeable with Glenair Mighty Mouse.


2M connectors are in average 71% Lighter and 52% Smaller than Similar MIL-DTL-38999 Connectors, they are tested under the same test methods than 38999 products and provide the electrical and mechanical performance of a standard MIL-DTL-38999 product (durability, shock, vibrations, etc).



2M series is a light-weight, micro-miniature circular connector option for mil-spec performance that can withstand harsh environments.The 2M series is extremely versatile and customizable; with four coupling styles.

Depending on your requirements, you can select the following:

  • High performances product, most rugged and with a tri-start thread : 2M805
  • Smaller & lighter rugged product with a dual start ACME thread : 2M801
  • Breakaway – Push-pull connector for quick disconnect applications : 2M804
  • Quick-mating bayonet coupling for light duty general purpose applications: 2M803

Any additional questions regarding our 2M Micro Miniature connectors? Check the 2M Micro Miniature product page or contact our Technical Support team



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