PSC codes › 5331
PSC 5331 — O-Ring: federal contracts
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What PSC 5331 covers
Description: O-Ring
Excludes: Packing and Gasket Material (FSC 5330).
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Industrial Products & Services › Hardware & Tools.
Who is winning new PSC 5331 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| GOODRICH CORPORATION | $7.7M | 54 |
| DBR INDUSTRIES, INC. | $5.4M | 1,874 |
| NOBLE SUPPLY & LOGISTICS, LLC | $4.5M | 5,869 |
| BLADE INDUSTRIAL PRODUCTS INC | $2.6M | 1,434 |
| CHAND, L.L.C. | $1.6M | 187 |
| HAMILTON SUNDSTRAND CORPORATION | $1.5M | 228 |
| AAR SUPPLY CHAIN, INC | $1.2M | 92 |
| TRIMAN INDUSTRIES INC | $1.2M | 179 |
| NORCATEC LLC | $1.1M | 16 |
| ATLANTIC DIVING SUPPLY, INC. | $1.0M | 7,520 |
How competitive is PSC 5331?
- 76.7% of obligations on these awards were competed.
- 27.4% of competed awards that report offers drew a single offer (n=10,947).
- 59.2% went to small businesses.
- The five largest contractors hold 34.9% across 718 contractors.
NAICS codes used on PSC 5331 awards
| NAICS | Industry | Share |
|---|---|---|
| 339991 | Gasket, Packing, and Sealing Device Manufacturing | 40.8% |
| 336413 | Other Aircraft Parts and Auxiliary Equipment Manufacturing | 20.8% |
| 332722 | Bolt, Nut, Screw, Rivet, and Washer Manufacturing | 10.6% |
| 336310 | Motor Vehicle Gasoline Engine and Engine Parts Manufacturing | 8.5% |
| 332618 | Other Fabricated Wire Product Manufacturing | 5.6% |
| 333618 | Other Engine Equipment Manufacturing | 3.8% |
| 326220 | Rubber and Plastics Hoses and Belting Manufacturing | 1.6% |
| 336411 | Aircraft Manufacturing | 1.4% |
Related PSC codes
5330 Packing and Gasket Materials · 5340 Hardware · 5310 Nuts and Washers · 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 5305 Screws · 5365 Bushings, Rings, Shims and Spacers · 4820 Valves, Nonpowered · 3040 Miscellaneous Power Transmission Equipment
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