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Amphenol AIT21611SS Circular Connector

Amphenol AIT / MS connectors are cost-effective, threaded circular connectors designed according to SAE-AS50151 (MIL-DTL-5015) standards. They are suitable for harsh environments and are sealed to resist moisture, condensation, vibration, and electrical flash-over. Available in over 286 contact configurations, these connectors support various arrangements including power, signal, or a combination of both. They come in five mounting styles, nineteen shell sizes, and offer solder or crimp termination options.

Authorized Distributors
Source:Newark
Part No:AIT2-16-11SS
Stock:49
Inv Date:05-29-2026
Price: Unit price: $19.79
Buy/RFQ:
Source:DigiKey
Part No:AIT2-16-11SS
Stock:49
Inv Date:05-29-2026
Price: Unit price: $21.33
Buy/RFQ:
Part No:AIT2-16-11SS
Stock:0
Inv Date:05-30-2026
Price: Unit price: $18.09
Buy/RFQ:
Part No:AIT2-16-11SS
Stock:33
Inv Date:05-29-2026
Price: Unit price: $18.96
Buy/RFQ:

Amphenol AIT21611SS Circular Connector Specifications:

  • Shell Material: Aluminum alloy
  • Plating: Olive drab chromate over cadmium, electroless nickel, black zinc nickel, green zinc
  • Operating Temperature: -67°F to +257°F (-55°C to +125°C)
  • Environmental Resistance: Moisture, vibration, pressure, temperature extremes
  • Body Styles: Five mounting styles, nineteen shell sizes
  • Contact Ratings: Power up to 150 amps, using Radsok® contacts up to 255 amps
  • Wire Range: 24 to 0 AWG
  • Contact Materials: Brass or copper alloy with silver or gold plating
  • Sealing: Liquid-tight neoprene insulator and rear-seal grommet
  • Electrical: Insulation resistance >5000 megohms at 77°F (25°C)
  • Mating Life: Minimum 100 cycles
  • Salt Spray Resistance: 48 hours (cadmium), 500 hours (zinc/nickel)
  • Vibration: MIL-STD-1344 compliant, 10 to 2000Hz, 10 microseconds max discontinuity
  • Shock: 50g for 11ms in all axes
  • Contact Types: Solder, crimp, PC, thermocouple
  • Number of Circuits: 1 to 85
  • Connector Classifications: MIL-DTL-5015 compliance
  • Polarity: Integral key/keyway, optional rotation
  • Assembly Life: Minimum 100 cycles

Buy the Buy Amphenol AIT21611SS Circular Connector Part Number AIT21611SS Online

Purchase your Amphenol AIT21611SS circular connector online today for superior performance in extreme conditions. Designed to meet MIL-DTL-5015 standards, it offers sealed moisture resistance, vibration durability, and flexible termination options—perfect for military, industrial, and harsh environment applications. With a wide range of contact configurations, shell sizes, and mounting styles, it ensures a reliable, durable connection for power, signal, or mixed use. Get your high-quality connector now and keep your projects running smoothly with confidence.

Order your Amphenol AIT21611SS series circular connector today and ensure your equipment performs reliably in demanding environments.

Frequently Asked Questions

Where can I buy Amphenol AIT21611SS?

You can click on the BUY or RFQ button to purchase AIT21611SS from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part AIT21611SS?

You can download the AIT21611SS datasheet or visit the Amphenol website for support.

Who is the manufacturer of AIT21611SS?

Amphenol

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