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Circular Fiber Optic Connector

Circular Fiber Optic Connector

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NGCMIL-DTL-64266
NGCMIL-DTL-64266

NGC(MIL-DTL-64266) Series Fiber Optic Connector


Product Description

The NGC Series Fiber Optic Connector is designed in accordance with MIL-PRF-64266B standards and adopts a British-style double-start threaded coupling mechanism, providing fast mating and superior anti-loosening performance.

It features key-circle polarization, blind mating capability, and detachable Φ1.25 mm standard fiber optic contacts, enabling flexible configuration and easy maintenance.

Incorporating advanced technologies compatible with MIL-PRF-28876 and MIL-DTL-38999 Series III, the NGC Series delivers enhanced mechanical durability and environmental resistance for mission-critical optical interconnect applications.

Key Features
Compliant with MIL-PRF-64266B standards
British double-start thread for fast mating and vibration resistance
Key-circle polarization, blind mating, and mis-mating prevention
Various shell materials and platings for different environments
Detachable standard Φ1.25 mm fiber optic contacts
Removable ASR components for easy cleaning and maintenance
Improved mechanical and environmental performance
Technical Specifications

Mechanical Performance

ParameterSpecification
Shell material / platingA: Aluminum alloy, chemical cadmium, military greenB: Stainless steel, passivationF: Aluminum alloy, chemical nickel
Mechanical life500 mating cycles
Impact300 G
Sine vibration60 G
Random vibration1.0 G²/Hz

Environmental Performance

ParameterSpecification
Operating temperature–55 °C to +165 °C (limited by cable)
High-temperature life165 °C, 1000 h
Salt mist resistanceA: 500 h / B: 500 h / F: 48 h
Temperature cycling–55 °C to +165 °C, 1000 cycles

Optical Performance

ParameterSpecification
Insertion loss≤0.5 dB
Return loss≥25 dB (MM, SM/PC)≥40 dB (SM/UPC)≥60 dB (SM/APC)
Optical discontinuity50 μs, 0.5 dB
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