SIC 3812 — Search, Detection, Navigation, Guidance, Aeronautical, and Nautical Systems and Instruments
Description & Classification
SIC code 3812 representing 'Search, Detection, Navigation, Guidance, Aeronautical, and Nautical Systems and Instruments' is an industry category in the Standard Industrial Classification (SIC) system under U.S. OSHA and Federal procurement registers.
Modern NAICS Crosswalk
Trace the modern equivalent classifications in the 2022 North American Industry Classification System (NAICS) database:
- NAICS 334511 - Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (via SIC1987:3812→NAICS1997:334511→2002:334511→2007:334511→2012:334511→2017:334511→2022:334511)
Classification Details
| SIC Code | 3812 |
|---|---|
| Industry Title | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical Systems and Instruments |
| Division | Division D: Manufacturing |
| Major Group | Major Group 38: Measuring, Analyzing, and Controlling Instruments; Photographic, Medical and Optical Goods; Watches and Clocks |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 3812:
- SIC Codes Complete Compliance Guide — Detailed history and active legal applications of the SIC classification framework.
- Why Legacy SIC Codes Persist Guide — How credit systems and the SEC still rely on SIC metadata.
- SIC ↔ NAICS Crosswalk Tool — Trace industrial code conversions dynamically.
- SIC Major Group 38 Hub — View other legacy industries in this business division.
Related Industries in Major Group 38
Frequently Asked Questions (FAQ)
What industry does SIC code 3812 represent?
SIC 3812 is 'Search, Detection, Navigation, Guidance, Aeronautical, and Nautical Systems and Instruments', a 4-digit Standard Industrial Classification (SIC) code under Major Group 38: Measuring, Analyzing, and Controlling Instruments; Photographic, Medical and Optical Goods; Watches and Clocks (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 334511 (Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3812?
SIC code 3812 maps to modern NAICS codes: 334511 - Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing.