PSC 5845: Underwater Sound Equipment
5845 is the product and service code (PSC) federal agencies use for underwater sound equipment, in the comm/detect/coherent radiation 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
- 7
- Spending, FY2026
- $731.7 million
- Share to small businesses
- 12%
Open contracts with PSC 5845, due soonest
- Request for Information (RFI)
Due in 3 daysOct 13, 2026
- Notice of Award
Due in 6 daysOct 16, 2026
- DT-511C and DT-592D Hydrophones and Spare Parts
✦ The Naval Undersea Warfare Center Division Newport wants a single five-year, firm-fixed-price IDIQ contract to design, build, test and deliver DT-511C and DT-592D hydrophones…
Due in 20 daysOct 30, 2026
- PANEL,SONAR GTC
Due in 31 daysNov 9, 2026
Where 5845 sits in the PSC Manual
- Category: Product
- Group 58: Comm/Detect/Coherent Radiation
- Code 5845: Underwater Sound Equipment
NAICS codes used with PSC 5845
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 5845 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 334511 | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $1.9 billion |
| 811219 | Other Electronic and Precision Equipment Repair and Maintenance | $173.1 million |
| 334290 | Other Communications Equipment Manufacturing | $94.8 million |
| 334111 | Electronic Computer Manufacturing | $44.9 million |
| 326291 | Rubber Product Manufacturing for Mechanical Use | $27.5 million |
| 334412 | Bare Printed Circuit Board Manufacturing | $16.2 million |
Who buys under PSC 5845
Agencies with the most contract dollars under 5845 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Navy | $2.2 billion |
| Defense Logistics Agency | $66.1 million |
| U.S. Geological Survey | $5.5 million |
| Department of the Army | $4.8 million |
| U.S. Coast Guard | $4.7 million |
| National Oceanic and Atmospheric Administration | $3.5 million |
| Department of the Air Force | $598,378 |
| U.S. Fish and Wildlife Service | $134,780 |
Federal spending under PSC 5845 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $470.4 million |
| FY2025 | $1.1 billion |
| FY2026 | $731.7 million |
| FY2027 (so far) | $0 |
Who wins PSC 5845 contracts
| Company | Obligated, last 3 years |
|---|---|
| Undersea Sensor Systems, Inc. | $636.9 million |
| Sparton Deleon Springs, LLC | $414.4 million |
| L3 Technologies Inc | $176.1 million |
| Huntington Ingalls Inc | $173.1 million |
| L3 Technologies, Inc. | $162.2 million |
| Sedna Digital Solutions, LLC | $130.8 million |
| Lockheed Martin Corporation | $81.2 million |
| Ultra Electronics Ocean Systems Inc. | $81.2 million |
| Lockheed Martin Corporation | $37.8 million |
| Massa Products Corporation | $34 million |
Related PSC codes
- 5805 Telephone and Telegraph Equipment
- 5810 Communications Security Equipment and Components
- 5811 Other Cryptologic Equipment and Components
- 5815 Teletype and Facsimile Equipment
- 5820 Radio and Television Communication Equipment, Except Airborne
- 5821 Radio and Television Communication Equipment, Airborne
- 5825 Radio Navigation Equipment, Except Airborne
- 5826 Radio Navigation Equipment, Airborne
- 5830 Intercommunication and Public Address Systems, Except Airborne
- 5831 Intercommunication and Public Address Systems, Airborne
Frequently asked questions
What is PSC 5845?
5845 is the product code in the federal Product and Service Code (PSC) Manual for underwater sound equipment, under 58 (Comm/Detect/Coherent Radiation). 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 5845?
Most federal contract dollars under PSC 5845 go with NAICS 334511 (Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing), 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 5845?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 7 open notices use PSC 5845 right now. FedReady can match new ones to your business and email you, free.