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Amphenol AIT21819S0 Circular Connector

Amphenol AIT / MS connectors are cost-effective threaded circular connectors designed for harsh environments. These connectors conform to the SAE-AS50151 (MIL-DTL-5015) standard and are sealed to resist moisture, condensation, vibration, and flash-over. Available in over 286 contact layouts, they support configurations for 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:DigiKey
Part No:AIT2-18-19S0
Stock:30
Inv Date:06-12-2026
Price: Unit price: $14.22
Buy/RFQ:
Part No:AIT2-18-19S0
Stock:36
Inv Date:06-12-2026
Price: Unit price: $7.83
Buy/RFQ:

Amphenol AIT21819S0 Circular Connector Specifications:

  • Shell Material: Aluminum alloy
  • Plating: Olive drab chromate coating over cadmium plating, electroless nickel, black alloy, green zinc nickel, or gray zinc nickel
  • Operating Temperature Range: -67°F to +257°F (-55°C to +125°C)
  • Environmental Resistance: Moisture, vibration, pressure, extreme temperature
  • Insulator: Neoprene® with rear-seal grommet for liquid-tight assembly
  • Current Capacity: Up to 150 amps for standard contacts, up to 255 amps with Radsok® contacts
  • Wire Range: 24 to 0 AWG
  • Contact Material: Brass or copper alloy
  • Contact Plating: Silver or gold
  • Mechanical Durability: Minimum 100 mating cycles
  • Salt Spray Resistance: 500 hours per MIL-STD-1344
  • Vibration: 10 to 2000Hz (10g’s), 10 microseconds max discontinuity
  • Shock Resistance: 50g, 11 ms on three axes
  • Dimensions: Various sizes with specific measurements per shell size
  • Certifications: MIL-DTL-5015, UL listed

Buy the Amphenol Series MS MIL-DTL-5015 Circular Connector: AIT21819S0

Secure your projects with the durable Amphenol MS series circular connector, designed for rugged environments. Featuring multiple mounting styles, sizes, and termination options, this connector ensures reliable performance in demanding applications such as industrial machinery, military, and off-road vehicles. Its sealed design protects against moisture, vibration, and extreme temperatures, while supporting power and signal configurations. Easy to install and highly reliable, the AIT21819S0 connector guarantees quality, safety, and long service life for critical electronic connections.

Buy Amphenol MS series AIT21819S0 circular connector now and experience unmatched durability and high reliability in extreme conditions.

Frequently Asked Questions

Where can I buy Amphenol AIT21819S0?

You can click on the BUY or RFQ button to purchase AIT21819S0 from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part AIT21819S0?

You can download the AIT21819S0 datasheet or visit the Amphenol website for support.

Who is the manufacturer of AIT21819S0?

Amphenol

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