Acronyms Used in Government Contracting (H)

Master list of the most frequently used government contracting acronyms. These acronyms and abbreviations are routinely used in government solicitations. You will also encounter these acronyms throughout the various sections of government contracts. This master list of acronyms will help you better understand the specialized language of government contracting. This is essential for successfully doing business with the Department of Defense (DoD) and working with contracting offices at military bases and DoD agencies.  You can also use our Glossary of defense contracting terms.


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View GLOSSARY of Contracting Terms

HAC   House Appropriations Committee
HASC   House Armed Services Committee
HAZMAT   Hazardous Material
HCA   Head of Contracting Activity/Agency
HCI   Human-Computer Interface
HCP   Hardness Critical Process
HD/CS   Homeland Defense/Civil Support
HERO   Hazards of Electromagnetic Radiation to Ordnance
HFE   Human Factors Engineering
HHA   Health Hazard Assessment
HNA   Host-Nation Approval
HNS   Host-Nation Support
HOL   High-Order Language; Higher-Order Language
HQ   Headquarters
HRI   Hazard Risk Index
HSI   Human Systems Integration
HTI   Horizontal Technology Integration
HTML   Hyper Text Markup Language
HUBZones   Historically Underutilized Business Zones
H/W   Hardware
HWCI   Hardware Configuration Item
HWIL   Hardware-in-the-Loop


Pentagon Spokesman Department of Defense (DoD)

Guidance for Doing Business with Military Bases