PSC 5845: Underwater Sound Equipment
Product code
Code facts
- Spend category
- Electronic & Communication Equipment Detection & Coherent Radiation Equipment
- Part of
-
- 58
- Contract awards
- 205 In the last 12 months
- Contract obligations
- $1,037,995,355 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $721,752,139 |
| FY2025 | $1,037,995,355 |
| FY2024 | $619,445,416 |
| FY2023 | $733,926,849 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Undersea Sensor Systems, Inc. | $241,175,654 | |
| 2 | L3 Technologies Inc. | $115,404,966 | |
| 3 | Sparton Deleon Springs, LLC | $103,944,468 | |
| 4 | Huntington Ingalls Inc. | $53,863,060 | |
| 5 | L3 Technologies, Inc. | $52,969,728 | |
| 6 | Sedna Digital Solutions, LLC | $35,178,398 | |
| 7 | Thales Defense & Security Inc. | $19,711,488 | |
| 8 | Delphinus Engineering LLC | $14,549,938 | |
| 9 | Leidos, Inc. | $11,747,128 | |
| 10 | Quantum Technology Sciences, Inc. | $10,843,003 |
See the full FY2025 ranking of PSC 5845 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $696,456,900 | |
| 2 | Defense Logistics Agency | $14,047,605 | |
| 3 | Department of the Army | $4,170,427 | |
| 4 | Department of Homeland Security | $2,947,531 | |
| 5 | Department of Commerce | $1,926,054 | |
| 6 | Department of the Interior | $1,919,537 | |
| 7 | Air Force | $284,086 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $530,634,829 | |
| 2 | 811219 Other Electronic and Precision Equipment Repair and Maintenance | $53,793,076 | |
| 3 | 334290 Other Communications Equipment Manufacturing | $52,819,568 | |
| 4 | 334111 Electronic Computer Manufacturing | $44,907,350 | |
| 5 | 334412 Bare Printed Circuit Board Manufacturing | $10,301,908 | |
| 6 | 326291 Rubber Product Manufacturing for Mechanical Use | $7,442,519 | |
| 7 | 541330 Engineering Services | $5,905,061 | |
| 8 | 334310 Audio and Video Equipment Manufacturing | $4,106,813 | |
| 9 | 334417 Electronic Connector Manufacturing | $4,074,396 | |
| 10 | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | $4,037,529 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Indiana | $314,258,350 | |
| 2 | Maryland | $150,483,909 | |
| 3 | Virginia | $64,524,853 | |
| 4 | California | $54,701,334 | |
| 5 | Washington | $31,525,070 | |
| 6 | Florida | $25,343,455 | |
| 7 | Pennsylvania | $20,321,123 | |
| 8 | District of Columbia | $13,018,594 | |
| 9 | Massachusetts | $11,500,578 | |
| 10 | Texas | $10,988,528 | |
| 11 | Rhode Island | $8,360,562 | |
| 12 | Hawaii | $4,577,301 | |
| 13 | New Hampshire | $4,048,540 | |
| 14 | New Jersey | $3,030,010 | |
| 15 | New York | $2,953,253 | |
| 16 | Maine | $969,665 | |
| 17 | Oregon | $943,802 | |
| 18 | Mississippi | $664,479 | |
| 19 | Utah | $574,669 | |
| 20 | Minnesota | $533,170 | |
| 21 | Missouri | $162,495 | |
| 22 | Colorado | $67,999 | |
| 23 | Ohio | $67,201 | |
| 24 | Kentucky | $47,904 | |
| 25 | Arizona | $47,554 | |
| 26 | Connecticut | $26,789 | |
| 27 | Michigan | $3,602 | |
| 28 | Illinois | $1,880 | |
| 29 | Wisconsin | $450 |
Show all 29
Shares are of everything obligated under PSC 5845 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 1,288 listed here. See the rest on GovTribe.
Definition
Includes: Sonar Equipment; Underwater Listening Equipment; Sonobuoys; Sonobuoy Launchers; Fathometers; Sonar Equipment. This class excludes items specifically designed for fire control sonar systems.
Quick answers
What is PSC 5845?
PSC 5845 is Underwater Sound Equipment, a product code in PSC 58, Communication/
How much do federal agencies spend under PSC 5845?
Federal contracts under PSC 5845 obligated $1,037,995,355 in fiscal year 2025 and $3,113,119,759 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC 5845?
The contractors with the most obligated under PSC 5845 in fiscal years 2026 and 2027 are Undersea Sensor Systems, Inc. ($241,175,654); L3 Technologies Inc. ($115,404,966); and Sparton Deleon Springs, LLC ($103,944,468).
Which agencies buy the most under PSC 5845?
The agencies that obligated the most under PSC 5845 in fiscal years 2026 and 2027 are Department of the Navy ($696,456,900), Defense Logistics Agency ($14,047,605) and Department of the Army ($4,170,427).
Which NAICS codes are used with PSC 5845?
The NAICS codes with the most obligated under PSC 5845 in fiscal years 2026 and 2027 are 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing; 811219 Other Electronic and Precision Equipment Repair and Maintenance; and 334290 Other Communications Equipment Manufacturing.
Where is the work under PSC 5845 performed?
By place of performance, the states with the most contract obligations under PSC 5845 over the last 12 months are Indiana ($314,258,350), Maryland ($150,483,909) and Virginia ($64,524,853).
What is the latest contract opportunity under PSC 5845?
The latest contract opportunity under PSC 5845 is OEM acoustic modem, special notice from Office of Naval Research (SECNAV), posted October 20, 2026.
On GovTribe
See everything under PSC 5845
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
- Contacts who buy under this code
- Ask GovTribe AI about this code