HERMETIC CONNECTORS

Three metal electronic connectors against a blue background.

Hermetic MIL-DTL-38999 Series III Connectors

Elimec USA supplies Hermetic MIL-DTL-38999 Series III connectors engineered for aerospace, defense, industrial, and other high-reliability applications where airtight sealing and dependable electrical performance are essential.

Manufactured to meet MIL-DTL-38999 Series III and EN3645 standards, these hermetic receptacles feature a rugged stainless steel construction, glass-to-metal sealing technology, and a self-locking triple-start ACME threaded coupling for secure, long-lasting connections in harsh environments.

KEY FEATURES

Qualified to MIL-DTL-38999 Series III and EN3645
Hermetic glass-to-metal sealed construction
Stainless steel shells with passivated or nickel-plated finishes
Triple-start ACME threaded self-locking coupling
Scoop-proof design for contact protection
Available in 9 shell sizes with multiple insert arrangements
Operating temperature from -65°C to +200°C
Excellent resistance to shock, vibration, corrosion, and EMI
Minimum 500 mating cycles
Custom configurations available upon request

Typical Applications

TECHNICAL SPECIFICATIONS

Hermetic MIL-DTL-38999 connectors are commonly used in:

Aerospace and avionics
Military and defense systems
Space applications
Radar and communication equipment
Industrial automation
Vacuum and pressure-sealed systems

TECHNICAL SPECIFICATIONS

Standards- MIL-DTL-38999 Series III, EN3645
Operating Temperature- -65°C to +200°C
Leakage Rate- < 1 × 10⁻⁷ atm·cm³/s
Durability- 500 mating cycles minimum
Contact Sizes- 22D, 20, 16, 12, 8
Current Rating- 3 A to 40 A

Frequently Asked Questions

What is a hermetic MIL-DTL-38999 connector?

A hermetic connector provides an airtight electrical interface using glass-to-metal sealing technology, preventing gas or moisture leakage in critical environments.

What industries use hermetic connectors?

Hermetic connectors are widely used in aerospace, defense, space, industrial automation, medical equipment, and vacuum systems where reliability is essential.

What are the advantages of MIL-DTL-38999 Series III connectors?

They offer high mechanical strength, excellent vibration resistance, EMI shielding, secure self-locking coupling, and outstanding environmental protection.

What operating temperature do these connectors support?

These hermetic connectors operate from -65°C to +200°C, making them suitable for extreme environmental conditions.

HERMETIC CONNECTORS

Hermetic MIL-DTL-38999 Series III Connectors

KEY FEATURES

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Typical Applications

TECHNICAL SPECIFICATIONS

TECHNICAL SPECIFICATIONS

TECHNICAL SPECIFICATIONS

TECHNICAL SPECIFICATIONS

TECHNICAL SPECIFICATIONS

Hermetic MIL-DTL-38999 Series III Connectors- data sheets

Frequently Asked Questions