Comprehensive Guide to NSN 5960-00-114-3811: Features, Applications, and Importance

The National Stock Number 5960-00-114-3811 represents a critical component in the field of electronic tubes. Known under type designations MILE1 and 12K7GT, this pentode electron tube has played a significant role in military and industrial applications. Though discontinued, it remains essential for legacy systems, specialized repairs, and vintage equipment. Below is a detailed overview of its specifications, uses, and relevance.

Understanding NSN 5960-00-114-3811

  • NSN (National Stock Number): 5960-00-114-3811

  • FSC (Federal Supply Class): 5960 – Electronic Tubes

  • NIIN (National Item Identification Number): 001143811

  • Part Name: Electron Tube

As part of the U.S. military inventory system, this tube was manufactured to exacting standards, ensuring high reliability and performance for defense and electronic applications.

Key Specifications

  • Designations: MILE1, also referred to as 12K7GT

  • Tube Type: Pentode – a vacuum tube design with five active elements

  • Manufacturer Cage Code: 81349

  • Status: Marked as “Discontinued Without Replacement”

The cage code links the part to approved manufacturers under military contracts, guaranteeing its authenticity and compliance with defense requirements.

Lifecycle Status

The 5960-00-114-3811 has been classified as discontinued, with no direct replacement in active production. While this limits availability through official supply channels, it can still be sourced through surplus, specialized distributors, or collections of new old stock. For defense organizations and repair companies, this means careful stock management is necessary.

Applications in Electronics

As a pentode electron tube, this component was widely used in:

  • Radio Frequency Amplification: Enhancing RF signals in communication systems

  • Audio Amplification: Supporting vintage and military audio devices

  • Military Equipment: Designed to meet durability and performance requirements in specialized defense electronics

Even with advancements in solid-state electronics, some equipment still relies on vacuum tube technology due to compatibility and proven reliability.

Important Considerations

  1. Availability
    Limited production and discontinued status make this part harder to source. Buyers must rely on verified suppliers and surplus channels.

  2. Compatibility
    Before installation, voltage ratings, socket type, and biasing must be checked to ensure the part integrates properly with existing systems.

  3. Handling and Cost
    Vacuum tubes are fragile and require careful packaging and storage. Due to scarcity, costs may be higher compared to modern alternatives.

  4. Testing and Maintenance
    Tubes should be tested using appropriate analyzers to confirm emission levels, performance stability, and absence of leakage before deployment.

Why 5960-00-114-3811 Remains Relevant

Despite being discontinued, 5960-00-114-3811 remains in demand. Military repair depots, aviation service providers, and collectors of vintage electronics continue to require authentic units. Its unique design specifications make it difficult to replace with solid-state alternatives without costly modifications.

For organizations maintaining older systems, sourcing this part ensures continued operation and compliance with technical requirements. Its relevance lies in its historical significance as well as its functional role in legacy equipment.

Summary

The 5960-00-114-3811 electron tube (MILE1 / 12K7GT) stands as a classic example of precision engineering in military-grade electronics. Built to high standards, it served vital roles in communication, amplification, and defense systems. While discontinued, it remains essential for repairs and legacy equipment support.

Understanding its specifications, applications, and handling requirements allows engineers, technicians, and procurement professionals to make informed decisions when sourcing or deploying this part. In today’s digital era, the presence of components like 5960-00-114-3811 highlights the enduring value of legacy technology in specialized industries.

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