334519 — Other Measuring and Controlling Device Manufacturing
Description
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
Overview Facts
| NAICS Code | 334519 |
|---|---|
| Industry Title | Other Measuring and Controlling Device Manufacturing |
| SBA Size Standard | 600 employees |
| U.S. Establishments | 913 (Census CBP, 2023) |
| IRS PBA Code | 334500 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 334 → 3345 |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3495 - Wire Springs (via SIC1987:3495→NAICS1997:334518→2002:334518→2007:334518→2012:334519→2017:334519→2022:334519)
- SIC 3579 - Office Machines, NEC (via SIC1987:3579→NAICS1997:334518→2002:334518→2007:334518→2012:334519→2017:334519→2022:334519)
- SIC 3829 - Measuring and Controlling Devices, NEC (via SIC1987:3829→NAICS1997:334518→2002:334518→2007:334518→2012:334519→2017:334519→2022:334519)
- SIC 3873 - Watches, Clocks, Clockwork Operated Devices, and Parts (via SIC1987:3873→NAICS1997:334518→2002:334518→2007:334518→2012:334519→2017:334519→2022:334519)
- SIC 3915 - Jewelers Findings and Materials and Lapidary Work (via SIC1987:3915→NAICS1997:334518→2002:334518→2007:334518→2012:334519→2017:334519→2022:334519)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 5210 — Measuring Tools, Craftsmen's
- PSC 5360 — Coil, Flat, Leaf, and Wire Springs
- PSC 6635 — Physical Properties Testing and Inspection
- PSC 6645 — Time Measuring Instruments
- PSC 6675 — Drafting, Surveying, and Mapping Instruments
- PSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
- PSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
- PSC 6695 — Combination and Miscellaneous Instruments
- PSC 7490 — Miscellaneous Office Machines
- PSC 7520 — Office Devices and Accessories
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 334519:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 3345
Frequently Asked Questions (FAQ)
Is 334519 a valid 2022 NAICS code?
NAICS 334519 is 'Other Measuring and Controlling Device Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 600 employees.
What is the SBA size standard for NAICS 334519?
The SBA small business size standard for NAICS 334519 is 600 employees (based on employees).
What is the legacy SIC code mapping for 334519?
NAICS code 334519 maps to the legacy 1987 SIC codes: 3495 - Wire Springs, 3579 - Office Machines, NEC, 3829 - Measuring and Controlling Devices, NEC, 3873 - Watches, Clocks, Clockwork Operated Devices, and Parts, 3915 - Jewelers Findings and Materials and Lapidary Work.