Tel: 914-769-9200

Amphenol Canada - ARINC 404 Connectorsalt


Amphenol's "AR" Series, ARINC 404 rack and panel connectors, are designed to meet or exceed the requirements of MIL-C-81659 and ARINC Specification 404. The "AR" Series is a multi-purpose connector used in aerospace, military, and computer periphery applications. These connectors are available in five shell styles with up to four insert cavities. Inserts in this product line accommodate signal and power contacts in sizes 12, 16, 20 and 22. Coaxial contacts are available in sizes 5 and 9. Insert arrangements are available utilizing a single type contact or a combination of standard and coaxial contacts. Non-environmental and environmentally sealed connectors are offered. The environmental sealing is accomplished by wire sealing grommets and interfacial seals. Application specific designs, including transient protection, are available from Amphenol.


  • Reduced inspection and assembly labor
  • High-frequency EMI performance superior to a board-level filter solution
  • Superior shielding effectiveness
  • Solderless design


  • Eliminates exposure of connector to soldering and cleaning process
  • Allows for easy repair of damaged socket contacts
  • Easy installation and removal from motherboard facilitates repair and rework
  • Guideposts guarantee proper alignment during installation 
  • Optional rubber interfacial seal protects the connector from the environment 


  • Provides strain relief and EMI shielding
  • Multiple cable entry points available
  • Custom configurations available

Amphenol "AR" Series Connectors are designed per ARINC 404 specifications and utilize pin and socket contacts manufactured in conformance with MIL-C-39029.
Insulation Resistance: 500 megohms @ 25°C
Dielectric Withstanding Voltage (Sea Level):
  Service Rating A Service Rating B*
Environmental Sealed 1,500V rms 1,800V rms
Non-environmental, Standard 1,000V rms 1,500V rms
Temperature Range: (-55° C to +125 C) -67 F to +257 F
Contact Current Rating:
Size 22 (#22 AWG Wire) 5.0 amps
Size 20 (#20 AWG Wire) 7.5 amps
Size 16 (#16 AWG Wire) 13.0 amps
Size 12 (#12 AWG Wire) 23.0 amps
Contact Retention:
Size 22 15 lb.
Size 20 20 lb.
Size 16 25 lb.
Size 12 30 lb.
Durability (Mating and Unmating) 500 cycles
Salt Spray: MIL-STD-1344, Method 1001, Condition B
Vibration: MIL-STD-1344, Method 2005, Condition IV
*Meets service ratings as shown in MS 3157

Material Material Finish
Shells Aluminum Alloy "Yellow or Olive drab Chromate over Cadmium, Electroless Nickel, Chem film (Anodized), Nickel-PTFE/ Durmalon"
Retaining Plates Aluminum Alloy Blue anodized, Electroless Nickel
Insulator Material Thermoset or Thermoplastic  
Screws, Lock washers, Washers Stainless Steel Passivated
Contact Copper Alloy Gold over Nickel
Contact Hood Stainless Steel Passivated
Contact Retention Clips Beryllium Copper  
Face Seals, Grommets Silicone Rubber or Fluorosilicone Rubber  
Polarization Kit - PLUG    
Post, Lock washer Stainless Steel Passivated
Nut Brass Yellow Chromate over Cadmium or Electroless Nickel
Polarization Kit - RECEPTACLE    
Plate Aluminum Alloy Electroless Nickel
Keys Aluminum or Zinc Alloy Yellow Chromate over Cadmium
Screws Stainless Steel Passivated

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