PSC 6660: Meteorological Instruments and Apparatus
6660 is the product and service code (PSC) federal agencies use for “Meteorological Instruments and Apparatus”, in the “Instruments and Laboratory Eqpt” 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
- 2
- Federal contract spending, FY2025
- $42.4 million
- Share of contract dollars to small businesses, since FY2024
- 34%
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.
Open PSC 6660 contracts with 2+ days to respond
Showing 1 of 2: the soonest due with 2+ days left to respond. The other one is due later, closes within 2 days, is sole-source or has no deadline.
- Scintillometer BLS900 Neo, Path Reduction Aperture, Power Supply, Standard and Tall Tripods
Due in 6 daysNov 3, 2026, 12:00 PM CST
Where 6660 sits in the PSC Manual
- Category: Product
- Group 66: Instruments and Laboratory Eqpt
- Code 6660: Meteorological Instruments and Apparatus
NAICS codes used with PSC 6660
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 6660 most often:
| NAICS | Industry | Spent, last 3 years | Open with PSC 6660 |
|---|---|---|---|
| 334519 | Other Measuring and Controlling Device Manufacturing | $93.1 million | 1 |
| 334511 | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $48.8 million | 1 |
| 924120 | Administration of Conservation Programs | $18.8 million | — |
| 326299 | All Other Rubber Product Manufacturing | $6.2 million | — |
| 334513 | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | $4.8 million | — |
| 334516 | Analytical Laboratory Instrument Manufacturing | $3 million | — |
Open contracts under each code, with any PSC: NAICS 334519 · NAICS 334511 · NAICS 924120 · NAICS 326299 · NAICS 334513 · NAICS 334516
Who buys under PSC 6660
Agencies with the most contract dollars under 6660 over the last three fiscal years, per USAspending.gov. Each name links to that agency's open contracts and buying history:
| Agency | Obligated |
|---|---|
| National Oceanic and Atmospheric Administration | $98.4 million |
| Department of the Navy | $27.1 million |
| Department of the Army | $21.1 million |
| Department of the Air Force | $20.5 million |
| Defense Logistics Agency | $6.2 million |
| Under Secretary for Farm and Foreign Agricultural Services | $2.2 million |
| National Institute of Standards and Technology | $813,180 |
| Forest Service | $788,758 |
Federal spending under PSC 6660 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $83.4 million |
| FY2025 | $42.4 million |
| FY2026 (incomplete) | $54.9 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 6660 contracts
| Company | Obligated, last 3 years |
|---|---|
| Vaisala Inc. | $41.7 million |
| Science Applications International Corporation | $33.9 million |
| Valkyrie Enterprises LLC | $22.7 million |
| Graw Radiosondes GmbH & Co. KG | $11.3 million |
| University of Montana | $7.9 million |
| Kaymont Consolidated Industries, Inc. | $6.6 million |
| South Dakota State University | $5.8 million |
| Intellisense Systems Inc | $4.7 million |
| EWR Radar Systems Inc | $3.6 million |
| Flyht Inc. | $3.3 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 6660 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:
- 334519 Other Measuring and Controlling Device Manufacturing: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
Related PSC codes
- 6605 Navigational Instruments
- 6610 Flight Instruments
- 6615 Automatic Pilot Mechanisms and Airborne Gyro Components
- 6620 Engine Instruments
- 6625 Electrical and Electronic Properties Measuring and Testing Instruments
- 6630 Chemical Analysis Instruments
- 6632 Analysis Instruments, Medical Laboratory Use
- 6635 Physical Properties Testing and Inspection
- 6636 Environmental Chambers and Related Equipment
- 6640 Laboratory Equipment and Supplies
Frequently asked questions
What is PSC 6660?
6660 is the product code in the federal Product and Service Code (PSC) Manual named “Meteorological Instruments and Apparatus”, under 66 (Instruments and Laboratory Eqpt). 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 6660?
Most federal contract dollars under PSC 6660 go with NAICS 334519 (Other Measuring and Controlling Device 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 6660?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 2 open notices use PSC 6660 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.