Primary definition
Removable item of COMSEC equipment, assembly, or subassembly; normally consisting of a single piece or group of replaceable parts. Rationale: The term falls under the broader term "COMSEC material".
Also known asC.F.D. · COMSEC Functional Device · Communications Security Element · Crypto Functional Device
1 sources cited4 related termsReviewed Aug 9, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
Removable item of COMSEC equipment, assembly, or subassembly; normally consisting of a single piece or group of replaceable parts. Rationale: The term falls under the broader term "COMSEC material".
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Comsec Element (c.f.d.). In Election Security Glossary. Retrieved August 14, 2026, from https://electionsecurityglossary.com/glossary/comsec-element-c-f-d
Sources
1 cited · last checked Aug 9, 2026
01
Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015
Single-source
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