SIC 3951 — Pens, Mechanical Pencils, and Parts
Description & Classification
SIC code 3951 representing 'Pens, Mechanical Pencils, and Parts' 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 339940 - Office Supplies (except Paper) Manufacturing (via SIC1987:3951→NAICS1997:339941→2002:339941→2007:339941→2012:339940→2017:339940→2022:339940)
Classification Details
| SIC Code | 3951 |
|---|---|
| Industry Title | Pens, Mechanical Pencils, and Parts |
| Division | Division D: Manufacturing |
| Major Group | Major Group 39: Miscellaneous Manufacturing Industries |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 3951:
- 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 39 Hub — View other legacy industries in this business division.
Related Industries in Major Group 39
Frequently Asked Questions (FAQ)
What industry does SIC code 3951 represent?
SIC 3951 is 'Pens, Mechanical Pencils, and Parts', a 4-digit Standard Industrial Classification (SIC) code under Major Group 39: Miscellaneous Manufacturing Industries (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 339940 (Office Supplies (except Paper) Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3951?
SIC code 3951 maps to modern NAICS codes: 339940 - Office Supplies (except Paper) Manufacturing.