Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
334519
National Industry (This Code)
Other Measuring and Controlling Device Manufacturing
Official NAICS Description
Source: U.S. Census Bureau 2022 NAICS
📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This U.S. industry comprises establishments primarily engaged in manufacturing measuring and controlling devices (except search, detection, navigation, guidance, aeronautical, and nautical instruments and systems; automatic environmental controls for residential, commercial, and appliance use; instruments for measurement, display, and control of industrial process variables; totalizing fluid meters and counting devices; instruments for measuring and testing electricity and electrical signals; analytical laboratory instruments; irradiation equipment; and electromedical and electrotherapeutic apparatus).
Illustrative Examples:
Aircraft engine instruments manufacturing
Automotive emissions testing equipment manufacturing
Clocks assembling
Meteorological instruments manufacturing
Physical properties testing and inspection equipment manufacturing
Polygraph machines manufacturing
Radiation detection and monitoring instruments manufacturing
Surveying instruments manufacturing
Thermometers, liquid-in-glass and bimetal types (except medical), manufacturing
Watches (except smartwatches) and parts (except crystals) manufacturing
✓ Small Business Eligibility at a Glance
Based on SBA Table of Small Business Size Standards (2024)
Size Standard
600 employees
Measurement Period
Current count
Standard Type
Employee-Based
Applies To
All contracts under NAICS 334519
Set-Aside Programs
8(a), WOSB, HUBZone, SDVOSB
Certification Required
No (self-certify in SAM.gov)
Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.
Cross-References
The following activities are classified elsewhere in the NAICS system:
→Manufacturing medical thermometers--are classified in U.S. Industry 339112, Surgical and Medical Instrument Manufacturing;
→Manufacturing search, detection, navigation, guidance, aeronautical, and nautical systems and instruments--are classified in U.S. Industry 334511, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing;
→Manufacturing automatic controls and regulators for applications, such as heating, air-conditioning, refrigeration and appliances--are classified in U.S. Industry 334512, Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use;
→Manufacturing instruments and related devices that measure, display, or control (i.e., monitor or analyze) industrial process variables--are classified in U.S. Industry 334513, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables;
→Manufacturing totalizing (i.e., registering) fluid meters and counting devices, including motor vehicle gauges--are classified in U.S. Industry 334514, Totalizing Fluid Meter and Counting Device Manufacturing;
→Manufacturing instruments for measuring and testing the characteristics of electricity and electrical signals--are classified in U.S. Industry 334515, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals;
→Manufacturing instruments for laboratory analysis of the physical composition or concentration of samples of solid, fluid, gaseous, or composite materials--are classified in U.S. Industry 334516, Analytical Laboratory Instrument Manufacturing;
→Manufacturing X-ray apparatus, tubes, or related irradiation apparatus--are classified in U.S. Industry 334517, Irradiation Apparatus Manufacturing;
→Manufacturing electromedical and electrotherapeutic apparatus--are classified in U.S. Industry 334510, Electromedical and Electrotherapeutic Apparatus Manufacturing;
→Manufacturing glass watch and clock crystals--are classified in Industry 32721, Glass and Glass Product Manufacturing;
→Manufacturing plastics watch and clock crystals--are classified in U.S. Industry 326199, All Other Plastics Product Manufacturing;
→Manufacturing timing relays--are classified in U.S. Industry 335314, Relay and Industrial Control Manufacturing; and
→Manufacturing smartwatches--are classified in Industry 334220, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing.
How to Use NAICS 334519 in SAM.gov
NAICS code 334519 — Other Measuring and Controlling Device Manufacturing — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Navigational, Measuring, Electromedical, and Control Instruments Manufacturing space will be able to find your business.
If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 600 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 334519.
NAICS code 334519 is 'Other Measuring and Controlling Device Manufacturing', classified under the Manufacturing sector (NAICS 33). This U.S. industry comprises establishments primarily engaged in manufacturing measuring and controlling devices (except search, detection, navigation, guidance, aeronautical, and nautical instruments
What is the SBA small business size standard for NAICS code 334519?
The SBA defines a small business under NAICS code 334519 (Other Measuring and Controlling Device Manufacturing) as one with 600 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.
How do I register NAICS code 334519 in SAM.gov?
To register NAICS code 334519 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 334519 (Other Measuring and Controlling Device Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.