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Amphenol D3899926FH21SN High Density Circular Connector

This is a MIL-DTL-38999 Series III circular connector, designed for high-performance military and aerospace applications. It features a durable metal shell with a threaded coupling mechanism, ensuring secure and reliable connections in demanding environments. Suitable for applications requiring ruggedness and dependable electrical contact.

Authorized Distributors
Source:Newark
Part No:D38999/26FH21SN
Stock:98
Inv Date:05-29-2026
Price: Unit price: $165.86
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Source:Newark
Part No:D38999/26FH21SN
Stock:301
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Price: Unit price: $383.59
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Source:DigiKey
Part No:D38999/26FH21SN
Stock:18
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Price: Unit price: $368
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Source:DigiKey
Part No:D38999/26FH21SN
Stock:51
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Price: Unit price: $7740.42
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Source:DigiKey
Part No:D38999/26FH21SN
Stock:341
Inv Date:05-29-2026
Price: Unit price: $285.3
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Source:DigiKey
Part No:D38999/26FH21SN
Stock:130
Inv Date:05-29-2026
Price: Unit price: $128.73
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Part No:D38999/26FH21SN
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Authorized Distributors
Part No:D38999/26FH21SN
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Inv Date:05-30-2026
Price: Unit price: $170.04
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Part No:D38999/26FH21SN
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Inv Date:05-30-2026
Price: Unit price: $2589.28
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Part No:D38999/26FH21SN
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Inv Date:05-29-2026
Price: Unit price: $107.98
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Part No:D38999/26FH21SN
Stock:63
Inv Date:05-29-2026
Price: Unit price: $68.4383
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Part No:D38999/26FH21SN
Stock:21
Inv Date:05-29-2026
Price: Unit price: $68.4383
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Part No:D38999/26FH21SN
Stock:139
Inv Date:05-29-2026
Price: Unit price: $61.6145
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Part No:D38999/26FH21SN
Stock:43
Inv Date:05-29-2026
Price: Unit price: $114.251
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Part No:D38999/26FH21SN
Stock:417
Inv Date:05-29-2026
Price: Unit price: $61.6145
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Part No:D38999/26FH21SN
Stock:129
Inv Date:05-29-2026
Price: Unit price: $114.251
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Authorized Distributors
Part No:D38999/26FH21SN
Stock:27
Inv Date:05-30-2026
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Part No:D38999/26FH21SN
Stock:199
Inv Date:05-29-2026
Price: Unit price: $121.51
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Part No:D38999/26FH21SN
Stock:40
Inv Date:05-29-2026
Price: Unit price: $59.16
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Amphenol D3899926FH21SN High Density Circular Connector Specifications:

  • Shell Material: Aluminum, Stainless Steel, or Composite
  • Shell Sizes: 9, 11, 13, 15, 17, 19, 21, 23, 25
  • Contact Ratings: 8 (Coax): 5.0 Amps, 16 (Power): 3.0 Amps, 12 (Twinax): 2.0 Amps, 20: 4.0 Amps
  • Temperature Range: -65°C to +175°C
  • Sealing: Interfacial seal, optional hermetic seals
  • Finish Options: Anodic coating, Electroless Nickel, Olive Drab Cadmium, Stainless Steel, Durmalon, Zinc-Nickel
  • EMI Shielding: Minimum 65dB at 10 GHz
  • Coupling Mechanism: 360° threaded bayonet, quick-mate self-locking
  • Vibration/Shock Resistance: Severe high-temperature vibration, shock tested
  • Corrosion Resistance: Salt spray tested for 500 hours (metal), up to 2000 hours (composite)
  • Unmating Force: High differential torque, self-locking with quick disengagement
  • Contact Types: Pin, Socket, hermetic options, fiber optics available

Buy the Amphenol Series III High Density Circular Connector: D3899926FH21SN

Order the Amphenol Series III High Density Circular Connector online today for reliable, high-performance military aerospace connections. Designed with robust metal shells, quick-mate threading, and superior EMI shielding, these connectors ensure secure and durable performance in severe environments. Perfect for demanding applications requiring high contact density, corrosion resistance, and high-temperature operation. Seamlessly integrate these connectors into your next project for dependable connectivity, easy installation, and long-lasting durability in aerospace and defense systems. Buy online now for fast delivery and exceptional quality assurance.

Get Amphenol Series III High Density Circular Connector today—built for rugged military and aerospace applications, featuring high contact density and corrosion resistance.

Frequently Asked Questions

Where can I buy Amphenol D3899926FH21SN?

You can click on the BUY or RFQ button to purchase D3899926FH21SN from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part D3899926FH21SN?

You can download the D3899926FH21SN datasheet or visit the Amphenol website for support.

Who is the manufacturer of D3899926FH21SN?

Amphenol

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