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Amphenol Aerospace D3899920FD35SN MIL-DTL-38999 Circular Connector

The Amphenol Aerospace D38999/20FD35SN is a MIL-DTL-38999 Series III wall mount circular connector with 37 contacts. Designed for high reliability and versatility, it is suitable for harsh environments, offering resistance to moisture, corrosion, extreme temperatures from -65°C to +200°C, and salt spray for up to 48 hours. The connector features a scoop-proof design to prevent contact damage, a self-locking triple-start threaded coupling, and IP67 environmental protection. Constructed from aluminum alloy with electroless nickel plating and fitted with copper alloy crimp socket contacts with gold plating, it provides up to 500 mating cycles (with high-durability versions offering 1500 cycles). Ideal for defense, military, aerospace, and industrial applications.

Authorized Distributors
Source:Newark
Part No:D38999/20FD35SN
Stock:87
Inv Date:06-12-2026
Price: Unit price: $151.06
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Source:Newark
Part No:D38999/20FD35SN
Stock:466
Inv Date:06-12-2026
Price: Unit price: $95.28
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Source:Newark
Part No:D38999/20FD35SN
Stock:48
Inv Date:06-12-2026
Price: Unit price: $104.01
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Part No:D38999/20FD35SN
Stock:5
Inv Date:06-13-2026
Price: Unit price: $98.4
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Part No:D38999/20FD35SN
Stock:0
Inv Date:06-13-2026
Price: Unit price: $1304.6
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Source:DigiKey
Part No:D38999/20FD35SN
Stock:37
Inv Date:06-12-2026
Price: Unit price: $281.44
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Source:DigiKey
Part No:D38999/20FD35SN
Stock:236
Inv Date:06-12-2026
Price: Unit price: $92.23
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Source:DigiKey
Part No:D38999/20FD35SN
Stock:41
Inv Date:06-12-2026
Price: Unit price: $191.9
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Source:DigiKey
Part No:D38999/20FD35SN
Stock:4
Inv Date:06-12-2026
Price: Unit price: $5780.13
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Authorized Distributors
Source:DigiKey
Part No:D38999/20FD35SN
Stock:23
Inv Date:06-12-2026
Price: Unit price: $311.71
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Source:DigiKey
Part No:D38999/20FD35SN
Stock:110
Inv Date:06-12-2026
Price: Unit price: $99
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Part No:D38999/20FD35SN
Stock:235
Inv Date:06-13-2026
Price: Unit price: $141.19
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Part No:D38999/20FD35SN
Stock:0
Inv Date:06-13-2026
Price: N/A
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Part No:D38999/20FD35SN
Stock:0
Inv Date:06-12-2026
Price: Unit price: $362.26
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Part No:D38999/20FD35SN
Stock:0
Inv Date:06-12-2026
Price: Unit price: $73.48
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Part No:D38999/20FD35SN
Stock:0
Inv Date:06-12-2026
Price: Unit price: $67.69
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Part No:D38999/20FD35SN
Stock:0
Inv Date:06-12-2026
Price: Unit price: $54
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Part No:D38999/20FD35SN
Stock:48
Inv Date:06-12-2026
Price: Unit price: $53.0783
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Authorized Distributors
Part No:D38999/20FD35SN
Stock:145
Inv Date:06-12-2026
Price: Unit price: $53.0783
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Part No:D38999/20FD35SN
Stock:433
Inv Date:06-12-2026
Price: Unit price: $47.2311
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Part No:D38999/20FD35SN
Stock:144
Inv Date:06-12-2026
Price: Unit price: $47.2311
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Part No:D38999/20FD35SN
Stock:4
Inv Date:06-12-2026
Price: Unit price: $2002.83
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Part No:D38999/20FD35SN
Stock:9
Inv Date:06-12-2026
Price: Unit price: $42.88
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Part No:D38999/20FD35SN
Stock:60
Inv Date:06-13-2026
Price: N/A
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Part No:D38999/20FD35SN
Stock:457
Inv Date:06-13-2026
Price: N/A
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Amphenol Aerospace D3899920FD35SN MIL-DTL-38999 Circular Connector Specifications:

  • Shell Type: Wall mount receptacle
  • Shell Material: Aluminum alloy
  • Finish: Electroless nickel plating
  • Contact Type: Copper alloy crimp socket with gold plating
  • Number of Contacts: 37
  • Temperature Range: -65°C to +200°C
  • Environmental Resistance: Salt spray up to 48 hours
  • Ingress Protection: IP67
  • Coupling Mechanism: Self-locking triple-start threaded
  • Durability: Up to 500 mating cycles (standard), 1500 cycles (high-durability version)

Buy the Buy Conesys D38999/20FD35SN Part Number D3899920FD35SN Online

Purchase the Conesys MIL-DTL-38999 Series III circular connector with 37 contacts online, perfect for aerospace, military, and industrial applications. Crafted from durable aluminum alloy with electroless nickel finish, this connector features a scoop-proof design, triple-start threaded coupling for secure connection, and IP67 environmental sealing for resistance against moisture, salt spray, and extreme temperatures. It supports up to 500 mating cycles, ensuring long-term performance and reliability in demanding conditions. Ideal for use where durability, environmental protection, and high contact density are required in high-performance equipment.

Get Conesys D38999/20FD35SN today—designed for high reliability in harsh environments, offering superior corrosion resistance and long-lasting durability.

Frequently Asked Questions

Where can I buy Amphenol Aerospace D3899920FD35SN?

You can click on the BUY or RFQ button to purchase D3899920FD35SN from an authorized Amphenol Aerospace distributor.

How do I troubleshoot issues or seek technical support for part D3899920FD35SN?

You can download the D3899920FD35SN datasheet or visit the Amphenol Aerospace website for support.

Who is the manufacturer of D3899920FD35SN?

Amphenol Aerospace

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