High Reliability Circular Connectors Bel Fuse MD801-009-02MT10-26SE Suitable for Military Aerospace

Product Overview

The Bel Cinch MD801 Series connectors are high-reliability circular connectors designed for demanding military and aerospace applications. Featuring a Dual-Start ACME thread for enhanced protection against cross-mating and vibration, these connectors offer robust performance in extreme environments. Available in various shell sizes and insert arrangements, they support crimp, solder, and PC tail terminations, making them suitable for board mount applications. The MD801 Series provides a miniature MIL-DTL-38999 equivalent with reduced size and weight, ideal for critical components and assemblies where leakage prevention is paramount.

Product Attributes

• Brand: Bel Cinch
• Series: MD801
• Key Markets: Military, Aerospace, Down-hole applications
• Connector Type: Circular Connectors
• Sealing: Hermetic sealing available
• Thread Type: Dual-Start ACME Thread
• Contact Types: Crimp, PC Tail, Solder Cup
• Shell Materials: Aluminum, Stainless Steel
• Platings: Standard or Specialty Platings Available (e.g., Aluminum / Cadmium with olive drab chromate, Aluminum / Black hard anodize, Aluminum / Nickel PTFE, Aluminum / Electroless Nickel, Stainless Steel / Passivated)

Technical Specifications

MD801 Series Plug Ordering Information

Series Designation: MD801-

• Series Type: 007 (Plug with banding platform), 008 (Plug with rear accessory thread)
• Shell Style: -16 (Plug with anti-decoupling spring), -26 (Plug with ratchet mechanism)
• Shell Material/Finish: NF, C, ZNU, MT, M, Z1
• Shell Keying: See Page 4, Table 2
• Contact Type: P (Pin, contacts included), S (Socket, contacts included), A (Pin, contacts not included), B (Socket, contacts not included)
• Shell Size/Insert Arrangement: See Page 4, Figure 1

MD801 Series Receptacle Ordering Information

Series Designation: MD801-

• Series Type: 009 (Receptacle with banding platform), 010 (Receptacle with rear accessory thread)
• Shell Style: -01 (Receptacle, inline), -02 (Receptacle, square flange), -07 (Receptacle, jam nut)
• Shell Material/Finish: NF, C, Z1, ZNU, MT, M
• Shell Keying: See Page 4, Table 3
• Contact Type: P (Pin, contacts included), S (Socket, contacts included), A (Pin, contacts not included), B (Socket, contacts not included)
• Shell Size/Insert Arrangement: See Page 4, Figure 1

MD801 Series Receptacle with PC Tail or Solder Cup Ordering Information

Series Designation: MD801-

• Series Type: 011 (Receptacle for PC tail or solder cup contacts), 033 (Receptacle for PC tail or solder cup contacts, water immersion)
• Shell Style: -02 (Receptacle, square flange), -07 (Receptacle, jam nut), -12 (Receptacle, square flange, rear panel mount with non-locking clinch nuts), -22 (Receptacle, square flange, rear panel mount with locking clinch nuts)
• Shell Material/Finish: NF, C, Z1, ZNU, MT, M
• Shell Keying: See Table 3 (Receptacle)
• Contact Type: P (Pin, PC Tail), S (Socket, PC Tail), E (Pin, Solder Cup), F (Socket, Solder Cup)
• Shell Size/Insert Arrangement: See Page 10, Figure 1

Dimensions (Examples)

Note: Full dimension tables are available in the source document. Below are representative examples.

Tools and Sealing Plugs