333996 — Fluid Power Pump and Motor Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in manufacturing fluid power (i.e., hydraulic and pneumatic) pumps and motors (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Manufacturing fluid pumps for motor vehicles, such as oil pumps, water pumps, and power steering
- pumps--are classified in Industry Group 3363, Motor Vehicle Parts Manufacturing;
- Manufacturing general purpose pumps (except fluid power)--are classified in U.S. Industry 333914,
- Measuring, Dispensing, and Other Pumping Equipment Manufacturing; and
- Manufacturing air compressors--are classified in U.S. Industry 333912, Air and Gas Compressor
- Manufacturing.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3594 - Fluid Power Pumps and Motors (via SIC1987:3594→NAICS1997:333996→2002:333996→2007:333996→2012:333996→2017:333996→2022:333996)
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 4310 — Compressors and Vacuum Pumps
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 333996 valid in 2022? ▾
Yes, 333996 is a valid 6-digit 2022 NAICS national industry code representing 'Fluid Power Pump and Motor Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 333996? ▾
The Small Business Administration (SBA) has established a small business size standard of 1,250 employees for NAICS code 333996 (Fluid Power Pump and Motor Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 333996? ▾
According to official Census Bureau concordance tables, NAICS code 333996 (Fluid Power Pump and Motor Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3594 - Fluid Power Pumps and Motors.
Related Pages & Tools
Further regulatory reference links for NAICS code 333996:
- 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.
- NAICS 333996 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Fluid Power Pump and Motor Manufacturing).
- 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.