myMectronic
myMectronic

A Premier B2B Part Search

Amphenol D3899920JA98SN MIL-DTL-38999 Series III Connector

This is a MIL-DTL-38999 Series III circular connector designed for military and aerospace applications. It offers high reliability and durability with a robust metal shell, proven sealing capabilities, and secure coupling features, making it suitable for demanding environments.

Authorized Distributors
Source:Newark
Part No:D38999/20JA98SN
Stock:6
Inv Date:05-29-2026
Price: Unit price: $141.35
Buy/RFQ:
Part No:D3899920JA98SN
Stock:0
Inv Date:05-30-2026
Price: N/A
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:0
Inv Date:05-30-2026
Price: N/A
Buy/RFQ:
Source:DigiKey
Part No:D38999/20JA98SN
Stock:24
Inv Date:05-29-2026
Price: Unit price: $145.27
Buy/RFQ:
Source:DigiKey
Part No:D38999/20JA98SN
Stock:1
Inv Date:05-29-2026
Price: Unit price: $212.54
Buy/RFQ:
Source:DigiKey
Part No:D38999/20JA98SN
Stock:417
Inv Date:05-29-2026
Price: Unit price: $272.8
Buy/RFQ:
Source:DigiKey
Part No:D38999/20JA98SN
Stock:6
Inv Date:05-29-2026
Price: Unit price: $100.9
Buy/RFQ:
Source:DigiKey
Part No:D38999/20JA98SN
Stock:0
Inv Date:05-29-2026
Price: Unit price: $296.18
Buy/RFQ:
Source:DigiKey
Part No:D38999/20JA98SN
Stock:4
Inv Date:05-29-2026
Price: Unit price: $269.84
Buy/RFQ:
Authorized Distributors
Part No:D38999/20JA98SN
Stock:28
Inv Date:05-30-2026
Price: Unit price: $145.27
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:0
Inv Date:05-30-2026
Price: Unit price: $759.11
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:1
Inv Date:05-30-2026
Price: Unit price: $46.78
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:0
Inv Date:05-29-2026
Price: Unit price: $108.36
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:0
Inv Date:05-29-2026
Price: Unit price: $89.41
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:0
Inv Date:05-29-2026
Price: Unit price: $43.78
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:4
Inv Date:05-29-2026
Price: Unit price: $580.09
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:65
Inv Date:05-29-2026
Price: Unit price: $33.6925
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:4
Inv Date:05-29-2026
Price: Unit price: $580.09
Buy/RFQ:
Authorized Distributors
Part No:D38999/20JA98SN
Stock:21
Inv Date:05-29-2026
Price: Unit price: $33.6925
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:5
Inv Date:05-29-2026
Price: Unit price: $1842.12
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:1
Inv Date:05-29-2026
Price: Unit price: $244.94
Buy/RFQ:
Part No:D38999/20JA98SN
Stock:549
Inv Date:05-30-2026
Price: N/A
Buy/RFQ:

Amphenol D3899920JA98SN MIL-DTL-38999 Series III Connector Specifications:

  • Shell Size: 20
  • Shell Material: Aluminum with anodic coating or electroless nickel plating
  • Contact Size: 20
  • Number of Contacts: 20
  • Contact Rating: 2.3 Amps (coax), 3.0 Amps (power), other sizes vary
  • Environmental Resistance: Salt spray 500 hours, corrosion resistant finishes available
  • Temperature Range: -65°C to +175°C
  • Sealing: Interfacial seal designed to prevent electrolytic erosion
  • EMI Shielding: 65dB minimum at 10 GHz via metal-to-metal coupling and grounding fingers
  • Coupling: Bayonet style with 360° self-locking mechanism
  • Vibration/Shock Resistance: Operates under severe high temperature vibration, through 200°C
  • Physical Dimensions: Diameter approximately 1.125 inches (28.58 mm), length varies by configuration
  • Standards Compliance: MIL-DTL-38999 Series III, qualified for harsh environments
  • Finish Options: Anodic coating, electroless nickel, olive drab cadmium, stainless steel shells, hermetic versions with passivation

Buy the Amphenol 38999-20JA98SN – Reliable Circular Connector for Industrial Applications

Enhance your aerospace and military systems with the MIL-DTL-38999 Series III connector. Designed for harsh environments, it features high reliability, secure bayonet coupling, and superior EMI shielding, ensuring durable performance under extreme conditions. Easy to install and maintain, this connector supports multiple contact configurations including coaxial and power contacts. With options for hermetic sealing and corrosion-resistant finishes, it is ideal for demanding applications where safety and durability matter. Get your reliable aerospace connector now for optimal system performance.

Order your Amphenol Series 38999-20JA98SN today and ensure your military and aerospace systems have the dependable waterproof and vibration-resistant connection they require.

Frequently Asked Questions

Where can I buy Amphenol D3899920JA98SN?

You can click on the BUY or RFQ button to purchase D3899920JA98SN from an authorized Amphenol distributor.

How do I troubleshoot issues or seek technical support for part D3899920JA98SN?

You can download the D3899920JA98SN datasheet or visit the Amphenol website for support.

Who is the manufacturer of D3899920JA98SN?

Amphenol

Amphenol Part List

Browse and search other Amphenol parts, locate datasheets and stock

Sponsored by