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Amphenol D3899920MJ4SN MIL-DTL-38999 Series III Connector

This is a MIL-DTL-38999 Series III circular connector, designed for military and aerospace applications. It features reliable contact connections with durable construction suitable for harsh environments.

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Source:Newark
Part No:D38999/20MJ4SN
Stock:627
Inv Date:05-29-2026
Price: Unit price: $166.55
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Source:DigiKey
Part No:D38999/20MJ4SN
Stock:51
Inv Date:05-29-2026
Price: Unit price: $200.98
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Source:DigiKey
Part No:D38999/20MJ4SN
Stock:23
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Price: Unit price: $263.57
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Source:DigiKey
Part No:D38999/20MJ4SN
Stock:1
Inv Date:05-29-2026
Price: Unit price: $496.36
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Source:DigiKey
Part No:D38999/20MJ4SN
Stock:418
Inv Date:05-29-2026
Price: Unit price: $674.05
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Part No:D38999/20MJ4SN
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Inv Date:05-30-2026
Price: Unit price: $158.54
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Part No:D38999/20MJ4SN
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Inv Date:05-30-2026
Price: Unit price: $1072.38
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Authorized Distributors
Part No:D38999/20MJ4SN
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Inv Date:05-29-2026
Price: Unit price: $130.83
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Inv Date:05-29-2026
Price: Unit price: $108.37
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Part No:D38999/20MJ4SN
Stock:152
Inv Date:05-29-2026
Price: Unit price: $103.257
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Part No:D38999/20MJ4SN
Stock:627
Inv Date:05-29-2026
Price: Unit price: $88.58
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Part No:D38999/20MJ4SN
Stock:50
Inv Date:05-29-2026
Price: Unit price: $103.257
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Part No:D38999/20MJ4SN
Stock:26
Inv Date:05-29-2026
Price: Unit price: $165.282
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Part No:D38999/20MJ4SN
Stock:627
Inv Date:05-29-2026
Price: Unit price: $88.58
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Part No:D38999/20MJ4SN
Stock:78
Inv Date:05-29-2026
Price: Unit price: $165.282
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Part No:D38999/20MJ4SN
Stock:4
Inv Date:05-29-2026
Price: Unit price: $2757.49
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Authorized Distributors
Part No:D38999/20MJ4SN
Stock:1
Inv Date:05-29-2026
Price: Unit price: $375.97
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Amphenol D3899920MJ4SN MIL-DTL-38999 Series III Connector Specifications:

  • Finish: Anodic Coating (Non-Conductive), Electroless Nickel, Olive Drab Cadmium Plated Nickel, Stainless Steel (Hermetic or Non-Hermetic), Zinc-Nickel
  • Shell Materials: Aluminum, Stainless Steel, Composite
  • Shell Sizes: 9, 11, 13, 15, 17, 19, 21, 23, 25
  • Contact Sizes: 8, 10, 12, 16, 20, 22D, 22M, 25, 37, 39, 41, 43, 46, 48, 55, 66, 79, 97, 100
  • Contact Types: Pin, Socket, Coax, Twinax, Quadrax, High Cycle (500 or 1500 cycles), Hermetic or Non-Hermetic
  • Electrical: Rated for signal, power, coax, twinax, and high-density contacts, operating voltage and current vary by contact size
  • Performance: EMI shielding ≥65dB at 10 GHz, salt spray resistance up to 500 hours (metal), 2000 hours (composite), vibration resistance up to 200°C
  • Environmental: Salt spray, vibration, temperature range -65°C to +175°C, moisture resistance, corrosion resistance
  • Connections: Crimp, solder, or ITAR-compliant removable contacts, supported by application tools
  • Sealing: Interfacial seals meeting MIL standards, hermetic options available
  • Certifications: MIL-DTL-38999 Series III compliant, with various finishes and optional special features

Buy the Buy Amphenol MIL-DTL-38999 Series III Part Number D3899920MJ4SN Online

Experience the high performance and reliability of the Amphenol MIL-DTL-38999 Series III connector. Designed for demanding aerospace and military applications, it offers superior EMI shielding, corrosion resistance, flexible contact configurations, and hermetic sealing options. Perfect for harsh environments, it ensures long-term durability, quick mating, and reliable electrical connections with versatile insert arrangements and finishes. Purchase online today to ensure your critical systems are equipped with the most trusted and proven interconnect solutions available.

Buy Amphenol MIL-DTL-38999 Series III connector with durable, EMI-shielded design and versatile configurations today for reliable aerospace and military connections.

Frequently Asked Questions

Where can I buy Amphenol D3899920MJ4SN?

You can click on the BUY or RFQ button to purchase D3899920MJ4SN from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part D3899920MJ4SN?

You can download the D3899920MJ4SN datasheet or visit the Amphenol website for support.

Who is the manufacturer of D3899920MJ4SN?

Amphenol

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