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Amphenol D3899926FH21AN MIL-DTL-38999 Series III

This high-performance MIL-DTL-38999 Series III circular connector offers superior electrical shielding, environmental sealing, and vibration resistance, suitable for military and aerospace needs. Made with aluminum shells and optional stainless steel variants, it accommodates various contact configurations including coax, twinax, fiber optics, and power contacts. The connector's design ensures quick mating with a 360° locking bayonet or threaded coupling, with options for hermetic sealing, corrosion resistance, and custom configurations for demanding environments. It features multiple insert patterns, alt. keying, and optional accessories like protective caps and backshells for enhanced reliability and flexibility in harsh conditions.

Authorized Distributors
Source:Newark
Part No:D38999/26FH21AN
Stock:409
Inv Date:05-29-2026
Price: Unit price: $117.91
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Source:Newark
Part No:D38999/26FH21AN
Stock:210
Inv Date:05-29-2026
Price: Unit price: $264.7
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Part No:D38999/26FH21AN
Stock:0
Inv Date:05-30-2026
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Part No:D38999/26FH21AN
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Source:DigiKey
Part No:D38999/26FH21AN
Stock:0
Inv Date:05-29-2026
Price: Unit price: $91.8302
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Source:DigiKey
Part No:D38999/26FH21AN
Stock:10
Inv Date:05-29-2026
Price: Unit price: $7812.66
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Source:DigiKey
Part No:D38999/26FH21AN
Stock:112
Inv Date:05-29-2026
Price: Unit price: $168.38
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Source:DigiKey
Part No:D38999/26FH21AN
Stock:404
Inv Date:05-29-2026
Price: Unit price: $124.09
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Part No:D3899926FH21AN
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Authorized Distributors
Part No:D38999/26FH21AN
Stock:0
Inv Date:05-30-2026
Price: Unit price: $1125.72
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Part No:D38999/26FH21AN
Stock:0
Inv Date:05-30-2026
Price: Unit price: $75.32
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Part No:D38999/26FH21AN
Stock:0
Inv Date:05-29-2026
Price: Unit price: $106.99
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Part No:D38999/26FH21AN
Stock:281
Inv Date:05-29-2026
Price: Unit price: $43.5269
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Part No:D38999/26FH21AN
Stock:21
Inv Date:05-29-2026
Price: Unit price: $50.7269
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Part No:D38999/26FH21AN
Stock:93
Inv Date:05-29-2026
Price: Unit price: $43.5269
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Part No:D38999/26FH21AN
Stock:78
Inv Date:05-29-2026
Price: Unit price: $47.7417
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Part No:D38999/26FH21AN
Stock:63
Inv Date:05-29-2026
Price: Unit price: $50.7269
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Part No:D38999/26FH21AN
Stock:234
Inv Date:05-29-2026
Price: Unit price: $47.7417
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Authorized Distributors
Part No:D38999/26FH21AN
Stock:139
Inv Date:05-29-2026
Price: Unit price: $101.75
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Part No:D38999/26FH21AN
Stock:10
Inv Date:05-29-2026
Price: Unit price: $2707.09
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Part No:D38999/26FH21AN
Stock:40
Inv Date:05-29-2026
Price: Unit price: $43.52
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Amphenol D3899926FH21AN MIL-DTL-38999 Series III Specifications:

  • Material: Aluminum alloy shells, optional stainless steel variants
  • Finish: Aluminum shells in cadmium, electroless nickel, or composite finishes
  • Electrical Ratings: Up to 3000 VAC (RMS) at sea level, current ratings varying by contact size (up to 250A)
  • Environmental Sealing: Contact seals, gaskets, wire seals, and insert-to-shell seals for moisture and immersion resistance
  • Vibration Resistance: Tested to MIL-STD-202, 60 Gs for 16 hours
  • Temperature Range: -55°C to +200°C (with some variants up to 260°C)
  • Ingress Protection: IP67 rated, hermetic versions available
  • Mating Cycles: Minimum of 500 cycles
  • Contact Types: Crimp, solder, PCB, fiber optic, coax, twinax, triax
  • Insert Patterns: Multiple configurations including high-density patterns for advanced applications

Buy the Buy Amphenol MIL-DTL-38999 Series III Circular Connector Online

Experience ultimate durability and performance with the Amphenol MIL-DTL-38999 Series III connector. Designed for military and aerospace applications, it offers superior EMI shielding, environmental sealing, and high vibration resistance. This connector features easy quick coupling options, multiple contact configurations including coax, twinax, fiber optics, and power, ensuring flexible integration in harsh environments. With optional hermetic sealing and robust finishes such as cadmium or nickel, it ensures long-term reliable operation. Ideal for mission-critical systems, buy online now and secure your high-performance connection.

Buy Amphenol MIL-DTL-38999 Series III connector now and ensure high reliability in demanding military and aerospace environments.

Frequently Asked Questions

Where can I buy Amphenol D3899926FH21AN?

You can click on the BUY or RFQ button to purchase D3899926FH21AN from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part D3899926FH21AN?

You can download the D3899926FH21AN datasheet or visit the Amphenol website for support.

Who is the manufacturer of D3899926FH21AN?

Amphenol

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