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Amphenol AIT21810SS Circular Connector

Amphenol AIT / MS connectors are cost-effective threaded circular connectors conforming to SAE-AS50151 (MIL-DTL-5015) standards, designed for harsh environments. They are sealed to resist moisture, condensation, vibration, and flash-over. Available in over 286 contact layouts, these connectors can accommodate 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:AIT2-18-10SS
Stock:1188
Inv Date:06-10-2026
Price: Unit price: $27.6
Buy/RFQ:
Part No:AIT2-18-10SS
Stock:0
Inv Date:06-11-2026
Price: Unit price: $21.67
Buy/RFQ:
Part No:AIT2-18-10SS
Stock:152
Inv Date:06-10-2026
Price: Unit price: $15.19
Buy/RFQ:

Amphenol AIT21810SS Circular Connector Specifications:

  • Shell Material: Aluminum alloy
  • Plating: Olive drab chromate coating over cadmium, electroless nickel, black alloy, green zinc, or gray zinc nickel
  • Temperature Rating: -67°F to +257°F (-55°C to +125°C)
  • Current Capacity: Up to 150 amps with military contacts, up to 255 amps with Radsok contacts
  • Contact Sizes: 16 through 0 AWG, brass or copper alloy, with silver or gold plating
  • Environmental Resistance: Waterproof, moisture-tight, with neoprene insulator and rear-seal grommet
  • Operating Voltage: Up to 4,500V (varies by contact size and configuration)
  • Vibration Resistance: MIL-STD-1344, 10 to 2,000Hz (10g’s), maximum 10 microseconds discontinuity
  • Salt Spray Resistance: 500 hours per MIL-STD-1344
  • Mating Life: Minimum 100 cycles
  • Ingress Protection: Class IP67 when mated
  • Mechanical: Sealed against moisture, pressure, vibration, and shock
  • Assembly: Rear contact insertion, solder, crimp, or PC options
  • Dimension Range: Shell sizes from 8S to 40, approximate dimensions in inches and millimeters
  • Approval Standards: MIL-DTL-5015, MIL-STD-1344
  • Additional Features: Grounding options, polarization, various finishes, and accessory options

Buy the Buy Amphenol AIT/MS Series MIL-DTL-5015 Part Number AIT21810SS Online

Discover the durability and versatility of the circular connector series from Amphenol designed for harsh industrial, military, and commercial environments. With sealed construction to resist moisture, vibration, and extreme temperatures, this connector ensures high reliability. Available with multiple contact configurations, solder or crimp termination, and several mounting options, it offers unmatched flexibility. Perfect for power systems, sensors, and mobile equipment, order now and equip your project with dependable, industry-standard connectors built to last and perform under extreme conditions.

Order your Amphenol series AIT21810SS environmental sealed circular connector today and enjoy reliable performance in the toughest conditions.

Frequently Asked Questions

Where can I buy Amphenol AIT21810SS?

You can click on the BUY or RFQ button to purchase AIT21810SS from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part AIT21810SS?

You can download the AIT21810SS datasheet or visit the Amphenol website for support.

Who is the manufacturer of AIT21810SS?

Amphenol

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