PSC 4730: Hose, Pipe, Tube, Lubrication, and Railing Fittings
4730 is the product and service code (PSC) federal agencies use for hose, pipe, tube, lubrication, and railing fittings, in the pipe, tubing, hose, and fittings 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
- 21
- Spending, FY2026
- $191.8 million
- Share to small businesses
- 62%
Open contracts with PSC 4730, due soonest
- ADAPTER,1/2 IN, CS
✦ The Navy (NAVSUP Weapon Systems Support, Mechanicsburg) is buying a 1/2 inch carbon steel adapter fitting under a fixed-price supply order.
Due in 4 daysOct 13, 2026
- LIQUID STUFFING BOX
✦ NAVSUP Weapon Systems Support (Mechanicsburg) is soliciting quotes for a liquid stuffing box, a metal valve and pipe fitting item for Navy use.
Due in 10 daysOct 19, 2026
- SCREEN ASSEMBLY
✦ NAVSUP Weapon Systems Support (Mechanicsburg) wants quotes for a screen assembly, a metal strainer part made by The Hellan Strainer Co (part number 080-48-S04621, 8 inch, 1/16…
Due in 10 daysOct 19, 2026
- ELBOW,BOSS
✦ The Navy (NAVSUP Weapon Systems Support, Mechanicsburg) wants to buy 6 copper-nickel 1 1/2 inch, 90 degree elbow pipe fittings (700 PSI) for a critical shipboard system.
Due in 12 daysOct 21, 2026
- TAILPIECE,UNION
✦ NAVSUP Weapon Systems Support (Mechanicsburg, Navy) is buying 4 Union Tailpieces (a pipe fitting made to ASTM-B369 UNS C96400) for a crucial shipboard system.
Due in 12 daysOct 21, 2026
- TEE FLARELESS
✦ NAVSUP Weapon Systems Support (Mechanicsburg) is buying a flareless tee fitting, Swagelok part number SS-1610-3, for the Navy.
Due in 13 daysOct 22, 2026
Where 4730 sits in the PSC Manual
- Category: Product
- Group 47: Pipe, Tubing, Hose, and Fittings
- Code 4730: Hose, Pipe, Tube, Lubrication, and Railing Fittings
NAICS codes used with PSC 4730
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 4730 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 332996 | Fabricated Pipe and Pipe Fitting Manufacturing | $239.1 million |
| 332919 | Other Metal Valve and Pipe Fitting Manufacturing | $74.4 million |
| 336413 | Other Aircraft Parts and Auxiliary Equipment Manufacturing | $57.7 million |
| 334412 | Bare Printed Circuit Board Manufacturing | $51.6 million |
| 326122 | Plastics Pipe and Pipe Fitting Manufacturing | $45.6 million |
| 332912 | Fluid Power Valve and Hose Fitting Manufacturing | $17.3 million |
| 333998 | All Other Miscellaneous General Purpose Machinery Manufacturing | On 1 open |
Who buys under PSC 4730
Agencies with the most contract dollars under 4730 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Defense Logistics Agency | $518.3 million |
| Department of the Navy | $57.4 million |
| Department of the Army | $10.5 million |
| U.S. Coast Guard | $9.1 million |
| Department of the Air Force | $1.5 million |
| National Aeronautics and Space Administration | $487,166 |
| Department of State | $410,921 |
| Bureau of Land Management | $391,772 |
Federal spending under PSC 4730 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $200.7 million |
| FY2025 | $206.8 million |
| FY2026 | $191.8 million |
| FY2027 (so far) | $0 |
Who wins PSC 4730 contracts
| Company | Obligated, last 3 years |
|---|---|
| Aar Supply Chain, Inc | $39 million |
| Ja Moody LLC | $37.8 million |
| Supplycore LLC | $30 million |
| Eaton Aeroquip LLC | $14.6 million |
| Itl LLC | $13.2 million |
| Oil States Industries, Inc. | $12.3 million |
| Fairwinds Technologies LLC | $12.3 million |
| Penn Power Group LLC | $8.9 million |
| Vacco Industries | $8.4 million |
| H C Merchandisers, Inc. | $8.3 million |
Related PSC codes
Frequently asked questions
What is PSC 4730?
4730 is the product code in the federal Product and Service Code (PSC) Manual for hose, pipe, tube, lubrication, and railing fittings, under 47 (Pipe, Tubing, Hose, and Fittings). 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 4730?
Most federal contract dollars under PSC 4730 go with NAICS 332996 (Fabricated Pipe and Pipe Fitting 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 4730?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 21 open notices use PSC 4730 right now. FedReady can match new ones to your business and email you, free.