PSC 4330: Centrifugals, Separators, and Pressure and Vacuum Filters
4330 is the product and service code (PSC) federal agencies use for centrifugals, separators, and pressure and vacuum filters, in the pumps and compressors 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
- 8
- Spending, FY2026
- $88.7 million
- Share to small businesses
- 66%
Open contracts with PSC 4330, due soonest
- FILTER FLEX AY,2.00
✦ NAVSUP Weapon Systems Support (Mechanicsburg) is soliciting quotes for a part called FILTER FLEX AY,2.00 (PSC 4330).
Due in 8 daysOct 19, 2026
- FILTER ELEMENT,FLUI
✦ The Navy (NAVSUP Weapon Systems Support, Mechanicsburg) is asking for quotes to repair a fluid filter element.
Due in 15 daysOct 26, 2026
- SCREEN,PERF SHEET
✦ NAVSUP Weapon Systems Support (Mechanicsburg) is asking for quotes on a perforated sheet screen (PSC 4330, NAICS 333998).
Due in 15 daysOct 26, 2026
Where 4330 sits in the PSC Manual
- Category: Product
- Group 43: Pumps and Compressors
- Code 4330: Centrifugals, Separators, and Pressure and Vacuum Filters
NAICS codes used with PSC 4330
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 4330 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 333998 | All Other Miscellaneous General Purpose Machinery Manufacturing | $154.2 million |
| 333999 | All Other Miscellaneous General Purpose Machinery Manufacturing | $19.9 million |
| 333914 | Measuring, Dispensing, and Other Pumping Equipment Manufacturing | $12.8 million |
| 334412 | Bare Printed Circuit Board Manufacturing | $11.3 million |
| 336413 | Other Aircraft Parts and Auxiliary Equipment Manufacturing | $5.1 million |
| 336390 | Other Motor Vehicle Parts Manufacturing | $4.4 million |
Who buys under PSC 4330
Agencies with the most contract dollars under 4330 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Defense Logistics Agency | $201.8 million |
| Department of the Navy | $24.8 million |
| U.S. Coast Guard | $9.6 million |
| Department of State | $973,133 |
| Department of the Air Force | $818,253 |
| National Aeronautics and Space Administration | $759,497 |
| Department of the Army | $699,758 |
| District of Columbia Courts | $344,999 |
Federal spending under PSC 4330 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $75.1 million |
| FY2025 | $76.9 million |
| FY2026 | $88.7 million |
| FY2027 (so far) | $0 |
Who wins PSC 4330 contracts
| Company | Obligated, last 3 years |
|---|---|
| Facet (Oklahoma) LLC | $13.3 million |
| Alfa Laval Inc | $12 million |
| Fairwinds Technologies LLC | $11.1 million |
| Triman Industries Inc | $10.9 million |
| Integrated Procurement Technologies | $9.5 million |
| Vacco Industries | $8.2 million |
| Kampi Components Co Inc | $7.2 million |
| Jamaica Bearings Co., Inc. | $6.8 million |
| FBC Enterprises LLC | $5.3 million |
| Statz Corp | $4.2 million |
Related PSC codes
Frequently asked questions
What is PSC 4330?
4330 is the product code in the federal Product and Service Code (PSC) Manual for centrifugals, separators, and pressure and vacuum filters, under 43 (Pumps and Compressors). 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 4330?
Most federal contract dollars under PSC 4330 go with NAICS 333998 (All Other Miscellaneous General Purpose Machinery 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 4330?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 8 open notices use PSC 4330 right now. FedReady can match new ones to your business and email you, free.