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Amphenol D3899920WG75SN MIL-DTL-38999 Series III Connector

This is a MIL-DTL-38999 Series III circular connector designed for military and industrial applications. It offers high reliability and durability with a robust metal shell, suitable for harsh environments. The connector features a threaded coupling mechanism for secure mating and multiple insert configurations to accommodate various wiring needs.

Authorized Distributors
Source:Newark
Part No:D38999/20WG75SN
Stock:76
Inv Date:06-10-2026
Price: Unit price: $825.08
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Source:Newark
Part No:D38999/20WG75SN
Stock:18
Inv Date:06-10-2026
Price: Unit price: $422.52
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Source:DigiKey
Part No:D38999/20WG75SN
Stock:14
Inv Date:06-10-2026
Price: Unit price: $329.6
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Source:DigiKey
Part No:D38999/20WG75SN
Stock:2
Inv Date:06-10-2026
Price: Unit price: $719.47
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Source:DigiKey
Part No:D38999/20WG75SN
Stock:41
Inv Date:06-10-2026
Price: Unit price: $827.13
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Source:DigiKey
Part No:D38999/20WG75SN
Stock:193
Inv Date:06-10-2026
Price: Unit price: $346.96
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Part No:D38999/20WG75SN
Stock:1
Inv Date:06-11-2026
Price: Unit price: $801.05
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Part No:D38999/20WG75SN
Stock:0
Inv Date:06-11-2026
Price: N/A
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Part No:D38999/20WG75SN
Stock:0
Inv Date:06-11-2026
Price: N/A
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Authorized Distributors
Part No:D38999/20WG75SN
Stock:0
Inv Date:06-10-2026
Price: Unit price: $238.88
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Part No:D38999/20WG75SN
Stock:420
Inv Date:06-10-2026
Price: Unit price: $204.943
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Part No:D38999/20WG75SN
Stock:6
Inv Date:06-10-2026
Price: Unit price: $180.075
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Part No:D38999/20WG75SN
Stock:140
Inv Date:06-10-2026
Price: Unit price: $204.943
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Part No:D38999/20WG75SN
Stock:2
Inv Date:06-10-2026
Price: Unit price: $180.075
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Part No:D38999/20WG75SN
Stock:59
Inv Date:06-10-2026
Price: Unit price: $293
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Part No:D38999/20WG75SN
Stock:9
Inv Date:06-10-2026
Price: Unit price: $3055.28
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Amphenol D3899920WG75SN MIL-DTL-38999 Series III Connector Specifications:

  • Shell Material: Aluminum, Stainless Steel, or Composite
  • Finish Options: Anodic Coating, Electroless Nickel, Olive Drab Cadmium, Zinc-Nickel
  • Shell Sizes: 9, 11, 13, 15, 17, 19, 21, 23, 25
  • Contact Types: Coax, Twinax, Power, Fiber Optic, Quadrax
  • Contact Ratings: 3A to 66A depending on size and type
  • Temperature Range: -65°C to +175°C
  • Inserts: Various arrangements supporting size 8 to 25 contacts
  • Coupling: Threaded, with locking mechanism for secure connection
  • Sealing: Interfacial seal design meeting MIL-DTL-38999 specifications for moisture and electrolytic erosion resistance
  • Shielding: EMI/RFI shielding with grounding fingers
  • Vibration Resistance: Up to 200°C vibration capability
  • Corrosion Resistance: Salt spray tested for 500-2000 hours depending on finish
  • Hermetic Option: Available for some configurations with hermetic seals

Buy the Amphenol Series III MIL-DTL-38999: D3899920WG75SN

Order the MIL-DTL-38999 Series III connector online today and experience industry-leading performance in demanding industrial, aerospace, and military applications. Designed with a durable metal shell, secure threaded coupling, and a wide range of insert configurations, this connector provides reliable, EMI-shielded connections that withstand extreme temperatures, vibration, and corrosion. Perfect for harsh environments, it ensures long-lasting durability and excellent electrical performance, making it the ideal choice for mission-critical wiring solutions.

Get Amphenol Series III MIL-DTL-38999 connector today—built for harsh environments and secure connections.

Frequently Asked Questions

Where can I buy Amphenol D3899920WG75SN?

You can click on the BUY or RFQ button to purchase D3899920WG75SN from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part D3899920WG75SN?

You can download the D3899920WG75SN datasheet or visit the Amphenol website for support.

Who is the manufacturer of D3899920WG75SN?

Amphenol

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