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Amphenol D3899920MJ20PN MIL-DTL-38999 Series III Connector

This is a MIL-DTL-38999 Series III circular connector, known for its high reliability and durability in military and aerospace applications. It features a robust metal shell, multiple contact configurations, and is designed for secure, corrosion-resistant connections in demanding environments.

Authorized Distributors
Source:DigiKey
Part No:D38999/20MJ20PN
Stock:25
Inv Date:06-09-2026
Price: Unit price: $421.14
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Source:DigiKey
Part No:D38999/20MJ20PN
Stock:95
Inv Date:06-09-2026
Price: Unit price: $1384.75
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Source:DigiKey
Part No:D38999/20MJ20PN
Stock:43
Inv Date:06-09-2026
Price: Unit price: $2214.4
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Part No:D38999/20MJ20PN
Stock:0
Inv Date:06-10-2026
Price: Unit price: $1715.36
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Part No:D38999/20MJ20PN
Stock:0
Inv Date:06-10-2026
Price: Unit price: $338.65
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Part No:D3899920MJ20PN
Stock:0
Inv Date:06-10-2026
Price: N/A
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Part No:D38999/20MJ20PN
Stock:0
Inv Date:06-10-2026
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Part No:D38999/20MJ20PN
Stock:0
Inv Date:06-09-2026
Price: Unit price: $386.42
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Part No:D38999/20MJ20PN
Stock:0
Inv Date:06-09-2026
Price: Unit price: $323.25
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Authorized Distributors
Part No:D38999/20MJ20PN
Stock:27
Inv Date:06-09-2026
Price: Unit price: $261.895
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Part No:D38999/20MJ20PN
Stock:9
Inv Date:06-09-2026
Price: Unit price: $261.895
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Part No:D38999/20MJ20PN
Stock:25
Inv Date:06-09-2026
Price: Unit price: $791.32
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Part No:D38999/20MJ20PN
Stock:7
Inv Date:06-09-2026
Price: Unit price: $4162.63
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Amphenol D3899920MJ20PN MIL-DTL-38999 Series III Connector Specifications:

  • Shell Material: Aluminum or Stainless Steel
  • Finish Options: Anodic Coating, Electroless Nickel, Olive Drab Cadmium, Stainless Steel with Nickel Plating, Durmalon Plating, Zinc-Nickel Plating
  • Service Rating: MIL-DTL-38999 Series III
  • Contact Sizes: Ranging from 8 to 25, including coax, twinax, and high-density configurations
  • Contact Type: Pin, Socket, Crimp, Solder, Hermetic, Fiber Optic
  • Electrical Rating: Up to 600 VRMS for some configurations, specific ratings vary by contact type
  • Temperature Range: -65°C to +175°C
  • Salt Spray Resistance: 500 hours (cadmium over nickel), 2000 hours (composite)
  • Vibration Resistance: Meets or exceeds MIL-STD-202 standards, can withstand severe vibration environments
  • Sealing: Interfacial and hermetic options available for moisture and electrolytic erosion resistance
  • Dimensions: Shell sizes range from 9 to 25, with corresponding insert arrangements and thread sizes, detailed per configuration
  • Mechanical Durability: Designed for at least 500 to 1500 mating cycles depending on contact and shell configuration

Buy the Buy Amphenol MIL-DTL-38999 Series III Circular Connector Part Number D3899920MJ20PN

Order the MIL-DTL-38999 Series III connector from Amphenol online today. Engineered for reliability in severe environments, this connector offers secure connections with corrosion resistance, high vibration tolerance, and multiple configurations. Perfect for military, aerospace, and industrial applications, it ensures long-lasting performance. Available in various shell sizes, contact types, and finishes, it provides flexibility and ease of installation. Trust Amphenol’s high-quality, rugged connectors for your critical applications—order now for fast delivery and expert support.

Get Amphenol 38999 Series III today—built for extreme durability and high performance in demanding military, aerospace, and industrial environments.

Frequently Asked Questions

Where can I buy Amphenol D3899920MJ20PN?

You can click on the BUY or RFQ button to purchase D3899920MJ20PN from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part D3899920MJ20PN?

You can download the D3899920MJ20PN datasheet or visit the Amphenol website for support.

Who is the manufacturer of D3899920MJ20PN?

Amphenol

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