GSA Federal Acquisition Service
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For general questions, contact:
FAS National Customer Service Ctr
Phone: 1-800-488-3111
E-mail: ncsccustomer.service@gsa.gov

Scientific Management and Solutions
Search and Navigation
MAS Multiple Award Schedule - Available offerings include commercial goods and services organized by 12 Large Categories, corresponding Subcategories, and SINs.

MAS Category list:

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Scientific Management and Solutions - Search and Navigation
Category Description
334511 Search, Detection, Navigation, Guidance, Aeronautical and Nautical Systems and Instruments - Includes telecommunications equipment and accessories, such as radar (except airborne), underwater, light, and laser equipment.