PSC 5990: Synchros and Resolvers
5990 is the product and service code (PSC) federal agencies use for “Synchros and Resolvers”, in the “Electrical/Electronic Eqpt Compnts” 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
- 1
- Federal contract spending, FY2025
- $18.6 million
- Share of contract dollars to small businesses, since FY2024
- 45%
Open count as of Oct 28, 2026, 7:01 PM ET. The search counts live, so its total can differ by a notice or two.
The Defense Logistics Agency accounts for 84% of the spending here. It posts most of its smaller buys (up to $350,000) on its own bid board, DIBBS, instead of SAM.gov, so there is usually more open work than this page counts. How to quote on DIBBS.
Where 5990 sits in the PSC Manual
- Category: Product
- Group 59: Electrical/Electronic Eqpt Compnts
- Code 5990: Synchros and Resolvers
NAICS codes used with PSC 5990
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 5990 most often:
| NAICS | Industry | Spent, last 3 years | Open with PSC 5990 |
|---|---|---|---|
| 335312 | Motor and Generator Manufacturing | $36.7 million | 1 |
| 336413 | Other Aircraft Parts and Auxiliary Equipment Manufacturing | $13.9 million | — |
| 334412 | Bare Printed Circuit Board Manufacturing | $2.8 million | — |
| 335999 | All Other Miscellaneous Electrical Equipment and Component Manufacturing | $2.1 million | — |
| 334290 | Other Communications Equipment Manufacturing | $1.9 million | — |
| 334220 | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | $1.6 million | — |
Open contracts under each code, with any PSC: NAICS 335312 · NAICS 336413 · NAICS 334412 · NAICS 335999 · NAICS 334290 · NAICS 334220
Who buys under PSC 5990
Agencies with the most contract dollars under 5990 over the last three fiscal years, per USAspending.gov. Each name links to that agency's open contracts and buying history:
| Agency | Obligated |
|---|---|
| Defense Logistics Agency | $53.4 million |
| Department of the Navy | $9.1 million |
| Federal Aviation Administration | $986,000 |
| Federal Prison System / Bureau of Prisons | $5,496 |
Federal spending under PSC 5990 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $21.7 million |
| FY2025 | $18.6 million |
| FY2026 (incomplete) | $23.1 million |
Headline figures use FY2025, the last complete year. FY2026 is still incomplete and will rise until about early January 2027 as Defense data arrives: USAspending.gov publishes Defense contracts 90 days after they're signed.
Who wins PSC 5990 contracts
| Company | Obligated, last 3 years |
|---|---|
| Moog Inc. | $7.5 million |
| General DynamicsListed as General Dynamics Motion Control LLC | $6.9 million |
| Polytech Defense Spares LLC | $5.5 million |
| Bei Precision Systems & Space Company, Inc | $4 million |
| Peerless Electronics Inc. | $3.8 million |
| Woodward HRT Inc | $3.4 million |
| Sensor Systems, L.L.C. | $3.2 million |
| Transaero, Inc. | $2.3 million |
| J & W Servo Systems Co, Inc | $2.1 million |
| Carp Industries Corp | $2 million |
Linked names have a FedReady profile, which shows the NAICS codes a business is registered as small under. Most large companies have none.
Large prime contractors (companies that hold the contract with the agency) subcontract part of their work to small businesses. See which primes subcontract, by NAICS code.
Research PSC 5990 work
By the NAICS codes this work goes with, the one with the most spending first: who won recently, contracts ending soon, agencies' planned buys and the large primes that subcontract it, nationwide. Each code shows only the pages that exist for it:
- 335312 Motor and Generator Manufacturing: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 334412 Bare Printed Circuit Board Manufacturing: who won recently · contracts ending in the next 12 months · large primes that subcontract
Related PSC codes
- 5905 Resistors
- 5910 Capacitors
- 5915 Filters and Networks
- 5920 Fuses, Arrestors, Absorbers, and Protectors
- 5925 Circuit Breakers
- 5930 Switches
- 5935 Connectors, Electrical
- 5940 Lugs, Terminals, and Terminal Strips
- 5945 Relays and Solenoids
- 5950 Coils and Transformers
Frequently asked questions
What is PSC 5990?
5990 is the product code in the federal Product and Service Code (PSC) Manual named “Synchros and Resolvers”, under 59 (Electrical/Electronic Eqpt Compnts). 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 5990?
Most federal contract dollars under PSC 5990 go with NAICS 335312 (Motor and Generator 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 5990?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notice uses PSC 5990 right now. FedReady can match new ones to your business and email you, free.
Keep going
Sources: SAM.gov Contract Opportunities, USAspending.gov and the PSC Manual. How we count.