NAICS 334519 - Other Measuring and Controlling Device Manufacturing
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What is NAICS 334519
NAICS code 334519 covers establishments primarily engaged in manufacturing a diverse range of measuring and controlling devices that are not classified under more specialized categories such as aeronautical instruments, environmental controls, or electrical measurement equipment. This sector includes businesses that produce precision instruments like aircraft engine gauges, automotive emissions testers, meteorological tools, and traditional timekeeping devices such as clocks and watches. Companies in this sector play a crucial role in providing reliable measurement and control equipment used across various industries, including aviation, automotive, environmental monitoring, and manufacturing quality control. Government agencies contract for these products to ensure accurate data collection, regulatory compliance, and operational safety in critical applications. The precision and reliability of these devices directly impact mission success, public safety, and environmental protection efforts.
Industry Classification for NAICS 334519
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
Breakdown for NAICS 334519
- Manufactures measuring and controlling devices excluding specialized aeronautical and electrical instruments.
- Includes production of aircraft engine instruments, automotive emissions testers, meteorological and radiation detection equipment.
- Typical business sizes range from small manufacturers to mid-sized precision instrument producers.
- Contracts often involve supply, maintenance, and calibration of measurement devices for government use.
- Supports a wide range of applications including aviation, environmental monitoring, automotive testing, and public safety.
- Excludes automatic environmental controls, analytical laboratory instruments, and medical electrotherapeutic apparatus.
Included Activities for NAICS 334519
- Manufacturing aircraft engine measurement instruments and gauges.
- Producing automotive emissions testing equipment.
- Assembling clocks and traditional watches (excluding smartwatches).
- Fabricating meteorological and radiation detection instruments.
- Manufacturing surveying instruments for land and construction use.
- Producing liquid-in-glass and bimetal thermometers (non-medical).
- Designing and manufacturing polygraph machines.
- Providing quality testing and inspection equipment for physical properties.
Business Types for NAICS 334519
- Precision instrument manufacturers
- Specialty measuring device assemblers
- Calibration and testing equipment producers
- Aerospace component suppliers
- Automotive equipment manufacturers
- Environmental and scientific instrumentation firms
Subcategories for NAICS 334519
- Abrasion testing machines manufacturing
- Accelerometers (except aerospace type) manufacturing
- Actinometers, meteorological, manufacturing
- Aircraft engine instruments manufacturing
- Alarm clocks manufacturing
- Alidades, surveying, manufacturing
- Appliance timers manufacturing
- Automotive emissions testing equipment manufacturing
- Barographs manufacturing
- Barometers manufacturing
- Breath alcohol testing devices manufacturing
- Breathalyzers manufacturing
- Ceilometers manufacturing
- Chains, surveyor's, manufacturing
- Chronographs manufacturing
- Chronometers manufacturing
- Clock materials and parts (except crystals) manufacturing
- Clock or watch springs, precision, made from purchased wire
- Clocks assembling
- Clocks assembling from purchased components
- Commercial timing mechanisms manufacturing
- Compasses, portable magnetic-type, manufacturing
- Count rate meters, nuclear radiation, manufacturing
- Dating devices and machines (except rubber stamps) manufacturing
- Detectors, scintillation, manufacturing
- Dosimetry devices manufacturing
- Drafting instruments manufacturing
- Dynamometers manufacturing
- Evaporation meters manufacturing
- Fatigue testing machines, industrial, mechanical, manufacturing
- Fire detector systems, nonelectric, manufacturing
- Fuel densitometers, aircraft engine, manufacturing
- Fuel mixture indicators, aircraft engine, manufacturing
- Fuel system instruments, aircraft, manufacturing
- Fuel totalizers, aircraft engine, manufacturing
- Galvanometers, geophysical, manufacturing
- Gas leak detectors manufacturing
- Geiger counters manufacturing
- Geophysical instruments manufacturing
- Hand stamps (e.g., date, time), timing mechanism operated, manufacturing
- Hardness testing equipment manufacturing
- Household-type timing mechanisms manufacturing
- Humidity instruments (except industrial process and air-conditioning type) manufacturing
- Hydrometers (except industrial process-type) manufacturing
- Hygrometers (except industrial process-type) manufacturing
- Hygrothermographs manufacturing
- Indicator testers, turntable, manufacturing
- Instrumentation for reactor controls, auxiliary, manufacturing
- Ion chambers manufacturing
- Kinematic test and measuring equipment manufacturing
- Leak detectors, water, manufacturing
- Level gauges, radiation-type, manufacturing
- Levels and tapes, surveying, manufacturing
- Lie detectors manufacturing
- Magnetometers manufacturing
- Mechanisms, clockwork operated device, manufacturing
- Metal detectors manufacturing
- Meteorologic tracking systems manufacturing
- Meteorological instruments manufacturing
- Modules for clocks and watches manufacturing
- Movements, watch or clock, manufacturing
- Nephoscopes manufacturing
- Nuclear instrument modules manufacturing
- Physical properties testing and inspection equipment manufacturing
- Pitometers manufacturing
- Polygraph machines manufacturing
- Pressure and vacuum indicators, aircraft engine, manufacturing
- Pressure transducers manufacturing
- Pulse analyzers, nuclear monitoring, manufacturing
- Pyrheliometers manufacturing
- RADIAC (radioactivity detection, identification, and computation) equipment manufacturing
- Radiation detection and monitoring instruments manufacturing
- Radioactivity detection, identification, and computation (RADIAC) equipment manufacturing
- Rain gauges manufacturing
- Rods, surveyor's, manufacturing
- Rules, slide, manufacturing
- Sample changers, nuclear radiation, manufacturing
- Scalers, nuclear radiation, manufacturing
- Scintillation detectors manufacturing
- Seismographs manufacturing
- Seismometers manufacturing
- Seismoscopes manufacturing
- Sextants, surveying, manufacturing
- Solarimeters manufacturing
- Spectrometers (e.g., liquid scintillation, nuclear) manufacturing
- Springs, clock and watch, made from purchased wire
- Surveying instruments manufacturing
- T-squares (drafting) manufacturing
- Tapes, surveyor's, manufacturing
- Templates, drafting, manufacturing
- Tensile strength testing equipment manufacturing
- Testers for checking hydraulic controls on aircraft manufacturing
- Testing equipment (e.g., abrasion, shearing strength, tensile strength, torsion) manufacturing
- Theodolites, surveying, manufacturing
- Thermocouples (except industrial process, aircraft type, glass vacuum) manufacturing
- Thermometer, liquid-in-glass and bimetal types (except medical), manufacturing
- Thickness gauging instruments, ultrasonic, manufacturing
- Thrust power indicators, aircraft engine, manufacturing
- Time clocks and time recording devices manufacturing
- Time locks manufacturing
- Time stamps containing clock mechanisms manufacturing
- Timers for industrial use, clockwork mechanism, manufacturing
- Timing mechanisms, clockwork, manufacturing
- Torsion testing equipment manufacturing
- Transducers, pressure, manufacturing
- Transits, surveying, manufacturing
- Ultrasonic testing equipment (except medical) manufacturing
- Vibration meters, analyzers, and calibrators, manufacturing
- Viscosimeters (except industrial process type) manufacturing
- Wall clocks manufacturing
- Watch jewels manufacturing
- Watchcase manufacturing
- Watches (except smartwatches) and parts (except crystals) manufacturing
- Water leak detectors manufacturing
- Weather tracking equipment manufacturing
- Whole body counters, nuclear, manufacturing
- Wind direction indicators manufacturing
Government Buyers for NAICS 334519
Federal government agencies such as the Department of Defense, Environmental Protection Agency, National Aeronautics and Space Administration, and the Department of Transportation frequently procure measuring and controlling devices under NAICS 334519. These agencies require specialized instruments for applications like aircraft maintenance and testing, environmental monitoring, automotive emissions analysis, and meteorological data collection. State and local governments also contract for such equipment to support infrastructure projects, environmental compliance, and public safety initiatives. The demand stems from the need for precise, reliable instrumentation that meets rigorous standards to support critical operations, regulatory mandates, and research activities.
Contract Types & Procurement for NAICS 334519
Contracts awarded under NAICS 334519 often include firm-fixed-price agreements for the delivery of standard measuring instruments, as well as indefinite delivery/indefinite quantity (IDIQ) contracts for ongoing supply and maintenance support. Procurement methods range from competitive sealed bidding to negotiated contracts, including simplified acquisitions for lower-value purchases. Contract values vary widely depending on complexity and quantity, ranging from small orders for standard gauges and clocks to multi-million-dollar contracts for specialized instrumentation systems. Government buyers may also use subcontracting arrangements with prime contractors or engage in multi-agency acquisition programs to leverage economies of scale.
Details for NAICS 334519
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