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Amphenol D3899920MD18SN MIL-DTL-38999 Series III Connector

This is a MIL-DTL-38999 Series III circular connector designed for rugged military and aerospace applications. It features high reliability and durability, suitable for demanding environments with secure connections.

Authorized Distributors
Source:Newark
Part No:D38999/20MD18SN
Stock:1
Inv Date:05-29-2026
Price: Unit price: $108.38
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Source:DigiKey
Part No:D38999/20MD18SN
Stock:21
Inv Date:05-29-2026
Price: Unit price: $192.29
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Source:DigiKey
Part No:D38999/20MD18SN
Stock:213
Inv Date:05-29-2026
Price: Unit price: $600.3
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Source:DigiKey
Part No:D38999/20MD18SN
Stock:110
Inv Date:05-29-2026
Price: Unit price: $275.65
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Source:DigiKey
Part No:D38999/20MD18SN
Stock:187
Inv Date:05-29-2026
Price: Unit price: $81.47
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Part No:D38999/20MD18SN
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Inv Date:05-30-2026
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Part No:D38999/20MD18SN
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Authorized Distributors
Part No:D38999/20MD18SN
Stock:1
Inv Date:05-30-2026
Price: Unit price: $111.99
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Part No:D38999/20MD18SN
Stock:0
Inv Date:05-30-2026
Price: Unit price: $836.61
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Part No:D38999/20MD18SN
Stock:0
Inv Date:05-29-2026
Price: Unit price: $46.83
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Part No:D38999/20MD18SN
Stock:0
Inv Date:05-29-2026
Price: Unit price: $52.31
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Part No:D38999/20MD18SN
Stock:82
Inv Date:05-29-2026
Price: Unit price: $65.1983
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Part No:D38999/20MD18SN
Stock:248
Inv Date:05-29-2026
Price: Unit price: $65.1983
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Part No:D38999/20MD18SN
Stock:16
Inv Date:05-29-2026
Price: Unit price: $56.12
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Part No:D38999/20MD18SN
Stock:6
Inv Date:05-29-2026
Price: Unit price: $2151.22
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Amphenol D3899920MD18SN MIL-DTL-38999 Series III Connector Specifications:

  • Shell Size: 15
  • Insert Arrangement: 18
  • Service Rating: M
  • Number of Contacts: 20
  • Contact Size: 16
  • Finish: Electroless Nickel (XXG) for corrosion resistance
  • Operating Temperature: -65°C to +175°C
  • Dielectric Withstanding Voltage: 1000 VRMS @ Sea level
  • Insulation Resistance: 5000 megohms min. @ 500 VDC
  • Shell Material: Aluminum with nickel or cadmium plating
  • Vibration Resistance: Meets MIL-STD-810 requirements
  • Salt Spray Resistance: 48 hours for nickel plating, 500 hours for cadmium
  • EMI Shielding: Minimum 65dB at 10 GHz
  • Locking: Self-locking, quick coupling mechanism
  • Seal: Interfacial and environmental sealing features
  • Connections: Compatible with MIL-DTL-38999 contacts, including coax, twinax, and high-density configurations

Buy the Buy Amphenol MIL-DTL-38999 Series III Part Number D3899920MD18SN Online

Enhance your military and aerospace applications with the MIL-DTL-38999 Series III connector from Amphenol. Designed for rugged environments, this high-performance circular connector ensures secure, durable, and reliable connections. Its advanced EMI shielding, corrosion-resistant finish, and quick-locking mechanism make it perfect for demanding applications such as aircraft, spacecraft, and military vehicles. Order online today to benefit from superior quality, easy installation, and industry-leading specifications, ensuring your equipment performs flawlessly in the most challenging conditions.

Buy Amphenol MIL-DTL-38999 Series III D3899920MD18SN now and experience unmatched reliability and performance in demanding military and aerospace environments.

Frequently Asked Questions

Where can I buy Amphenol D3899920MD18SN?

You can click on the BUY or RFQ button to purchase D3899920MD18SN from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part D3899920MD18SN?

You can download the D3899920MD18SN datasheet or visit the Amphenol website for support.

Who is the manufacturer of D3899920MD18SN?

Amphenol

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