Precision Packaging for Rugged Defense Electronics
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Client
Defense Contractor
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Industry
Aerospace & Defense
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Capability
CNC Machining, Quick-Turn Sheet Metal Fabrication, Design for Manufacturability, Prototyping, Low-Volume Production
Fast ECO Turn-Arounds
Accelerated Time to Market
Controlled Revision Trail
Solving the Mechanical Bottlenecks Around High-Value Defense Electronics
A defense electronics manufacturer develops some of the world’s most sophisticated avionics, optronics, and inertial navigation systems, but the mechanical packaging surrounding that high-value technology was becoming a program risk. Fathom stepped in as a dedicated mechanical packaging partner, bringing together three facilities to deliver precision housings, thermal plates, chassis and fixtures with the speed and revision control these programs demand.
The Problem
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Defense electronics programs generate a steady stream of mechanically straightforward but program-critical hardware: rugged enclosures, heat sinks, cable-management details, interface trays, and bench fixtures used throughout avionics, optronics and inertial navigation.
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These parts are revision-heavy, often needed in modest quantities, and essential to keeping development and qualification work moving. For large contract manufacturers, the combination of low volume, high revision frequency makes the work easy to deprioritize.
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The result: engineering teams waited weeks for housing updates, ECO-driven changes stalled validation cycles and programs that couldn’t afford schedule drag were absorbing it anyway.
The Solution
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Fathom coordinated production across three complementary facilities to cover the full range of packaging and fixture needs
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Denver, CO handled precision housings, thermal plates, and interface parts with tighter flatness, surface finish and hole-position requirements.
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Round Rock, TX produced repeatable chassis, panels and fabricated packaging details in volume.
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Ithaca, NY supported prototype fixtures, fit-check hardware and quick ECO turns for validation environments.
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Across all three sites, Fathom maintained a controlled revision trail and provided consistent inspection records to meet the program’s expectations.
The Results
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By consolidating mechanical packaging across three Fathom facilities, the customer gained a responsive domestic partner that could process engineering changes in days rather than weeks.
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Enclosure content no longer held up electronics integration, and ECO loops closed faster on programs where dimensional stack-up and serviceability tolerances left little room for iteration delays.
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Fathom’s engineering support on the front end of each build cycle helped prevent late-stage surprise, so revision-heavy programs stayed on track from prototype all the way through pilot production.
