SIC 3827 — Optical Instruments and Lenses
Description & Classification
SIC code 3827 representing 'Optical Instruments and Lenses' 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 333310 - Commercial and Service Industry Machinery Manufacturing (via SIC1987:3827→NAICS1997:333314→2002:333314→2007:333314→2012:333314→2017:333314→2022:333310)
Classification Details
| SIC Code | 3827 |
|---|---|
| Industry Title | Optical Instruments and Lenses |
| 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 3827:
- 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 3827 represent?
SIC 3827 is 'Optical Instruments and Lenses', 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): 333310 (Commercial and Service Industry Machinery Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3827?
SIC code 3827 maps to modern NAICS codes: 333310 - Commercial and Service Industry Machinery Manufacturing.