PSC 6620: Engine Instruments
6620 is the product and service code (PSC) federal agencies use for engine 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
- 7
- Spending, FY2026
- $23.6 million
- Share to small businesses
- 41%
Open contracts with PSC 6620, due soonest
- NOUN: INDICATOR,TEMPERATU NSN: 6620011805183 PN: EHU-49/A
✦ The Defense Logistics Agency (DLA Aviation, Tinker AFB, Oklahoma) wants a price quote for 1 new temperature indicator (NSN 6620-01-180-5183) that measures aircraft fan inlet…
Due in 6 daysOct 16, 2026
- Impeller Assembly [WSDC: 06F] End Item: Aircraft, Hercules C-130
✦ The Defense Logistics Agency (DLA Aviation) plans to buy 70 impeller assemblies used on the C-130 Hercules aircraft.
Due in 7 daysOct 16, 2026
- NAVIGATIONZLGHTZWHI
✦ NAVSUP Weapon Systems Support (Mechanicsburg) wants a white navigation light built to NAVSEA drawings for a critical Navy shipboard system.
Due in 13 daysOct 22, 2026
- ENGINE DATA UNIT, IN REPAIR/MODIFICATION OF
✦ NAVSUP Weapon Systems Support (Navy) wants an engine data unit (P/N 9B-84052-4, NSN 015528829) repaired and returned to ready-for-issue condition.
Due in 17 daysOct 26, 2026
- FD2030-26-01335
Due in 153 daysMar 12, 2027
Where 6620 sits in the PSC Manual
- Category: Product
- Group 66: Instruments and Laboratory Eqpt
- Code 6620: Engine Instruments
NAICS codes used with PSC 6620
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 6620 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 336413 | Other Aircraft Parts and Auxiliary Equipment Manufacturing | $41 million |
| 333618 | Other Engine Equipment Manufacturing | $17.5 million |
| 334519 | Other Measuring and Controlling Device Manufacturing | $14.1 million |
| 334514 | Totalizing Fluid Meter and Counting Device Manufacturing | $8.2 million |
| 336412 | Aircraft Engine and Engine Parts Manufacturing | $6.7 million |
| 335312 | Motor and Generator Manufacturing | $5.3 million |
| 334515 | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | On 1 open |
Who buys under PSC 6620
Agencies with the most contract dollars under 6620 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Defense Logistics Agency | $75.5 million |
| Department of the Air Force | $14.9 million |
| Federal Aviation Administration | $7 million |
| Department of the Navy | $6.5 million |
| Department of the Army | $1 million |
| U.S. Coast Guard | $607,869 |
| Office of the Assistant Secretary for Administration and Management | $138,117 |
| Pipeline and Hazardous Materials Safety Administration | $46,591 |
Federal spending under PSC 6620 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $34.1 million |
| FY2025 | $48 million |
| FY2026 | $23.6 million |
| FY2027 (so far) | $0 |
Who wins PSC 6620 contracts
| Company | Obligated, last 3 years |
|---|---|
| Atec Inc | $13.6 million |
| Aar Supply Chain, Inc | $8.1 million |
| Kitco LLC | $7.8 million |
| Guerrero Professional Services, Inc. | $5.6 million |
| Parker-Hannifin Corporation | $5.6 million |
| Discovery Energy, LLC | $5.5 million |
| Honeywell International Inc. | $5.2 million |
| Allclear Aerospace & Defense, Inc. | $4.9 million |
| Bae Systems Information and Electronic Systems Integration Inc. | $4.7 million |
| Aero International, LLC | $3.3 million |
Related PSC codes
- 6605 Navigational Instruments
- 6610 Flight Instruments
- 6615 Automatic Pilot Mechanisms and Airborne Gyro Components
- 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
- 6645 Time Measuring Instruments
Frequently asked questions
What is PSC 6620?
6620 is the product code in the federal Product and Service Code (PSC) Manual for engine 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 6620?
Most federal contract dollars under PSC 6620 go with NAICS 336413 (Other Aircraft Parts and Auxiliary Equipment 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 6620?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 7 open notices use PSC 6620 right now. FedReady can match new ones to your business and email you, free.