PSC 4470: Nuclear Reactors
4470 is the product and service code (PSC) federal agencies use for nuclear reactors, in the furnace/steam/drying; nucl reactor group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.
- Open contracts now
- 3
- Spending, FY2026
- $2.4 billion
- Share to small businesses
- 5%
Open contracts with PSC 4470, due soonest
- TEST ADAPTER
✦ NAVSUP Weapon Systems Support (Mechanicsburg) wants to buy a TEST ADAPTER, a repair part for Navy nuclear-propulsion-related equipment, with technical data held on a…
Due in 20 daysOct 29, 2026
- FLASK, SAMPLING
✦ The Navy's supply office in Mechanicsburg, PA (NAVSUP Weapon Systems Support) is asking for quotes on a sampling flask, a manufactured part.
Due in 27 daysNov 5, 2026
- AIR SAMPLER
Due in 38 daysNov 17, 2026
Where 4470 sits in the PSC Manual
- Category: Product
- Group 44: Furnace/Steam/Drying; Nucl Reactor
- Code 4470: Nuclear Reactors
NAICS codes used with PSC 4470
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 4470 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $5.8 billion |
| 332410 | Power Boiler and Heat Exchanger Manufacturing | $330.8 million |
| 221113 | Nuclear Electric Power Generation | $298.7 million |
| 541330 | Engineering Services | $117.9 million |
| 334517 | Irradiation Apparatus Manufacturing | $62.4 million |
| 333998 | All Other Miscellaneous General Purpose Machinery Manufacturing | $10.5 million |
Who buys under PSC 4470
Agencies with the most contract dollars under 4470 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Navy | $6.2 billion |
| Department of Energy | $361 million |
| Uniformed Services University of the Health Sciences | $209,380 |
| Defense Logistics Agency | $93,594 |
Federal spending under PSC 4470 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $2.1 billion |
| FY2025 | $2.1 billion |
| FY2026 | $2.4 billion |
| FY2027 (so far) | $0 |
Who wins PSC 4470 contracts
| Company | Obligated, last 3 years |
|---|---|
| Fluor Marine Propulsion, LLC | $5.8 billion |
| Bechtel Plant Machinery, Inc. | $305.7 million |
| American Centrifuge Operating, LLC | $298.7 million |
| Electric Boat Corporation | $117.9 million |
| Westinghouse Government Services LLC | $62.4 million |
| Huntington Ingalls Inc | $28.5 million |
| Peerless Instrument Co., Inc. | $3.4 million |
| Frham Safety Products LLC | $2.7 million |
| Waltron Bull & Roberts, LLC | $1.4 million |
| Hamill Manufacturing Company | $1.2 million |
Related PSC codes
- 4410 Industrial Boilers
- 4420 Heat Exchangers and Steam Condensers
- 4430 Industrial Furnaces, Kilns, Lehrs, and Ovens
- 4440 Driers, Dehydrators, and Anhydrators
- 4460 Air Purification Equipment
Frequently asked questions
What is PSC 4470?
4470 is the product code in the federal Product and Service Code (PSC) Manual for nuclear reactors, under 44 (Furnace/Steam/Drying; Nucl Reactor). Agencies put a PSC on every contract to record what they bought.
What is the difference between a PSC and a NAICS code?
A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.
Which NAICS code goes with PSC 4470?
Most federal contract dollars under PSC 4470 go with NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.
How do I find contracts that use PSC 4470?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 3 open notices use PSC 4470 right now. FedReady can match new ones to your business and email you, free.