PSC 6680: Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
6680 is the product and service code (PSC) federal agencies use for liquid and gas flow, liquid level, and mechanical motion measuring instruments, 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
- 10
- Spending, FY2026
- $77.3 million
- Share to small businesses
- 63%
Open contracts with PSC 6680, due soonest
- COUNTER,ELECTRICAL
✦ DLA Aviation at Philadelphia is requesting quotes for an electrical counter (a meter/counting device), issued under emergency acquisition flexibilities.
Due in 7 daysOct 16, 2026
- IND TUBULAR GAGE GL
✦ NAVSUP Weapon Systems Support wants a commercial repair of an indicator tubular gage (two units after an amendment raised the quantity from one).
Due in 12 daysOct 21, 2026
- TRANSMITTER SUBASSE
✦ NAVSUP Weapon Systems Support (Navy) wants a repair of a TRANSMITTER SUBASSE (CAGE 9HJE0, ref. 9A-203B130G01) under Emergency Acquisition Flexibilities.
Due in 27 daysNov 5, 2026
Where 6680 sits in the PSC Manual
- Category: Product
- Group 66: Instruments and Laboratory Eqpt
- Code 6680: Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
NAICS codes used with PSC 6680
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 6680 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 334519 | Other Measuring and Controlling Device Manufacturing | $96.8 million |
| 334514 | Totalizing Fluid Meter and Counting Device Manufacturing | $53.9 million |
| 334513 | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | $45.4 million |
| 336413 | Other Aircraft Parts and Auxiliary Equipment Manufacturing | $35 million |
| 336412 | Aircraft Engine and Engine Parts Manufacturing | $10.5 million |
| 334412 | Bare Printed Circuit Board Manufacturing | $5.3 million |
| 333914 | Measuring, Dispensing, and Other Pumping Equipment Manufacturing | On 1 open |
Who buys under PSC 6680
Agencies with the most contract dollars under 6680 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Defense Logistics Agency | $213.9 million |
| Department of the Navy | $35.1 million |
| Department of the Air Force | $15.6 million |
| U.S. Geological Survey | $2 million |
| U.S. Coast Guard | $1.5 million |
| Bureau of Reclamation | $1.5 million |
| Department of the Army | $708,759 |
| International Boundary and Water Commission: U.S.-Mexico | $552,560 |
Federal spending under PSC 6680 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $84 million |
| FY2025 | $113 million |
| FY2026 | $77.3 million |
| FY2027 (so far) | $0 |
Who wins PSC 6680 contracts
| Company | Obligated, last 3 years |
|---|---|
| Standard Calibrations Inc | $18.2 million |
| Simmonds Precision Products Inc | $17.7 million |
| CFM International Inc | $10.5 million |
| Transaero, Inc. | $9.5 million |
| Aar Supply Chain, Inc | $8.9 million |
| Bei Precision Systems & Space Company, Inc | $7.9 million |
| Integrated Procurement Technologies | $7.3 million |
| Parker-Hannifin Corporation | $6.8 million |
| Nag, LLC | $6.3 million |
| Martin Military Inc | $6.1 million |
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 6680?
6680 is the product code in the federal Product and Service Code (PSC) Manual for liquid and gas flow, liquid level, and mechanical motion measuring instruments, 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 6680?
Most federal contract dollars under PSC 6680 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 6680?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 10 open notices use PSC 6680 right now. FedReady can match new ones to your business and email you, free.