PSC 4920: Aircraft Maintenance and Repair Shop Specialized Equipment
4920 is the product and service code (PSC) federal agencies use for aircraft maintenance and repair shop specialized equipment, in the maint/repair shop 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
- 26
- Spending, FY2026
- $252.7 million
- Share to small businesses
- 46%
Open contracts with PSC 4920, due soonest
- Aircraft Pressurized Cabin Leakage Tester (APCLT)
Due in 4 daysOct 13, 2026
- NRP,MOUNT ASSEMBLY,, IN REPAIR/MODIFICATION OF
✦ NAVSUP Weapon Systems Support is requesting quotes for a repair purchase order to restore a Navy mount assembly (NRP mount assembly, P/N D0012698-1003) to Ready for Issue…
Due in 7 daysOct 16, 2026
- CABLE ASSEMBLY,INTE, IN REPAIR/MODIFICATION OF
✦ NAVSUP Weapon Systems Support (Navy) is soliciting repair of a cable assembly (P/N 178-6384-1, NSN 4920-01-5016740).
Due in 9 daysOct 19, 2026
- Refurbishment of Torque Motor Magnetic Field Ring Assemblies
✦ Naval Undersea Warfare Center (Keyport, WA) wants Torque Motor Magnetic Field Ring Assemblies (DMISA rings) refurbished to Navy drawings and a statement of work.
Due in 10 daysOct 19, 2026
- CABLE ASSEMBLY,INTE
✦ NAVSUP Weapon Systems Support is soliciting the repair and upgrade of a cable assembly (P/N 178-6384-1, NSN 4920-01-501-6740), with the total quantity raised from 4 to 5 by this…
Due in 12 daysOct 21, 2026
- Multiple Support Equipment Items in support of the Foreign Military Sales (FMS) Israel SH-60F Program
✦ The Navy's aircraft center at Lakehurst, NJ wants to buy 17 line items of support equipment (tools, gages, fixtures, adapters and a tail rotor boot) for the Israel SH-60F…
Due in 12 daysOct 22, 2026
Where 4920 sits in the PSC Manual
- Category: Product
- Group 49: Maint/Repair Shop Eqpt
- Code 4920: Aircraft Maintenance and Repair Shop Specialized Equipment
NAICS codes used with PSC 4920
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 4920 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 336413 | Other Aircraft Parts and Auxiliary Equipment Manufacturing | $327 million |
| 334515 | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | $196.9 million |
| 336412 | Aircraft Engine and Engine Parts Manufacturing | $100.8 million |
| 541330 | Engineering Services | $79.6 million |
| 334513 | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | $74.1 million |
| 334419 | Other Electronic Component Manufacturing | $74.1 million |
| 332710 | Machine Shops | On 8 open |
| 334519 | Other Measuring and Controlling Device Manufacturing | On 2 open |
| 332216 | Saw Blade and Handtool Manufacturing | On 2 open |
| 335931 | Current-Carrying Wiring Device Manufacturing | On 1 open |
| 326150 | Urethane and Other Foam Product (except Polystyrene) Manufacturing | On 1 open |
Who buys under PSC 4920
Agencies with the most contract dollars under 4920 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Air Force | $604.9 million |
| Department of the Navy | $419.7 million |
| Defense Logistics Agency | $133.9 million |
| Federal Bureau of Investigation | $17.4 million |
| Department of the Army | $11.2 million |
| U.S. Coast Guard | $6.3 million |
| Department of State | $3 million |
| Federal Aviation Administration | $651,357 |
Federal spending under PSC 4920 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $481.2 million |
| FY2025 | $459 million |
| FY2026 | $252.7 million |
| FY2027 (so far) | $0 |
Who wins PSC 4920 contracts
| Company | Obligated, last 3 years |
|---|---|
| Atec Inc | $94.5 million |
| The Boeing Company | $85.7 million |
| Teradyne, Inc. | $66.8 million |
| Northrop Grumman Systems Corporation | $51.8 million |
| Renk Systems Corp | $49.5 million |
| Lockheed Martin Corporation | $45.6 million |
| Hydraulics International, Inc. | $43.3 million |
| Chemring Energetic Devices Inc | $37.6 million |
| The Boeing Company | $30.1 million |
| Machine Tool Specialties, LLC | $29 million |
Related PSC codes
- 4910 Motor Vehicle Maintenance and Repair Shop Specialized Equipment
- 4921 Torpedo Maintenance, Repair, and Checkout Specialized Equipment
- 4923 Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment
- 4925 Ammunition Maintenance, Repair, and Checkout Specialized Equipment
- 4927 Rocket Maintenance, Repair and Checkout Specialized Equipment
- 4930 Lubrication and Fuel Dispensing Equipment
- 4931 Fire Control Maintenance and Repair Shop Specialized Equipment
- 4933 Weapons Maintenance and Repair Shop Specialized Equipment
- 4935 Guided Missile Maintenance, Repair, and Checkout Specialized Equipment
- 4940 Miscellaneous Maintenance and Repair Shop Specialized Equipment
Frequently asked questions
What is PSC 4920?
4920 is the product code in the federal Product and Service Code (PSC) Manual for aircraft maintenance and repair shop specialized equipment, under 49 (Maint/Repair Shop 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 4920?
Most federal contract dollars under PSC 4920 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 4920?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 26 open notices use PSC 4920 right now. FedReady can match new ones to your business and email you, free.