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Amphenol AIT1E2821PS Sealed Circular Connector

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

Authorized Distributors
Source:Newark
Part No:AIT1E28-21PS
Stock:5
Inv Date:06-10-2026
Price: Unit price: $87.67
Buy/RFQ:
Source:DigiKey
Part No:AIT1E28-21PS
Stock:12
Inv Date:06-10-2026
Price: Unit price: $117.37
Buy/RFQ:
Part No:AIT1E28-21PS
Stock:0
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:
Part No:AIT1E28-21PS
Stock:3
Inv Date:06-10-2026
Price: Unit price: $63.89
Buy/RFQ:

Amphenol AIT1E2821PS Sealed Circular Connector Specifications:

  • Shell Material: Aluminum alloy
  • Plating: Olive drab chromate coating over cadmium, electroless nickel, black alloy, or zinc nickel
  • Operating Temperature Range: -67°F to +257°F (-55°C to +125°C)
  • Voltage Rating: Up to 70,000 feet operating altitude, test voltage varies with configuration
  • Current Capacity: Up to 150 amps with standard contacts, 255 amps with Radsok contacts
  • Contact Material: Brass or copper alloy, silver or gold plating
  • Wire Gauge Range: 24 to 0 AWG
  • Ingress Protection: Class IP67 when mated
  • Vibration Resistance: MIL-STD-1344 method 20085, condition II
  • Salt Spray Resistance: 48 hours minimum (cadmium), 500 hours (Zinc), MIL-STD-1344
  • Impact/Shock Resistance: 50g impact, 11 ms duration on three axes
  • Mating Life: Minimum 100 cycles
  • Connector Sizes: 19 sizes, contact layouts over 286 variations
  • Insulation Resistance: >5000 megaohms at 77°F (25°C)
  • Sealing: Liquid-tight design with neoprene insulator and rear-seal grommet
  • Certifications: UL listed, MIL-DTL-5015 compliance

Buy the Buy Amphenol MIL-DTL-5015 Sealed Circular Connectors Part Number AIT1E2821PS Online

Purchase your Amphenol sealed circular connector online today to ensure your equipment operates reliably under extreme environmental conditions. Our high-quality connectors offer robust sealing against moisture, vibration, and dust, making them perfect for military, industrial, and commercial applications. With multiple contact layouts, mounting styles, and termination options, these connectors provide versatile solutions for power, signal, or mixed use. Experience fast delivery, competitive prices, and trusted reliability—order now to keep your projects running smoothly in challenging environments.

Order your Amphenol Series AIT1E2821PS sealed circular connector today and equip your projects with durable, high-reliability environmental sealing.

Frequently Asked Questions

Where can I buy Amphenol AIT1E2821PS?

You can click on the BUY or RFQ button to purchase AIT1E2821PS from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part AIT1E2821PS?

You can download the AIT1E2821PS datasheet or visit the Amphenol website for support.

Who is the manufacturer of AIT1E2821PS?

Amphenol

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