NAICS 339991 · Gasket, Packing, And Sealing Device Manufacturing
475 open opportunities · 23,796 FY2025 awards · $258.0M obligated
Top contractors in this NAICS
- Pioneer Industries, LLC$54.8M
- Seal Dynamics LLC$5.5M
- Kirkhill, INC.$4.5M
- Dbr Industries, INC.$3.6M
Hunting recompetes here?
10+ contracts in this NAICS end within 18 months. The largest are listed below — incumbents and end dates included.
All expiring 339991 contracts →Open opportunities
- 53--O-RING
- Deadline
- —
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Award Notice
- NAICS
- 339991
- Posted
- Sep 3, 2026
- 53--O-RING
- Deadline
- —
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Award Notice
- NAICS
- 339991
- Posted
- Sep 3, 2026
- B, C GASKET SPIRAL
- Deadline
- —
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Award Notice
- NAICS
- 339991
- Posted
- Sep 3, 2026
- 53--GASKET
- Deadline
- —
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Award Notice
- NAICS
- 339991
- Posted
- Sep 3, 2026
- 53--GASKET
- Deadline
- Sep 13, 2026(8d)
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Combined Synopsis/Solicitation
- NAICS
- 339991
- Posted
- Sep 3, 2026
- 53--GASKET
- Deadline
- —
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Award Notice
- NAICS
- 339991
- Posted
- Sep 2, 2026
- 53--PACKING MATERIAL
- Deadline
- —
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Award Notice
- NAICS
- 339991
- Posted
- Sep 2, 2026
- 53--SEAL,PRESSURE,RAMP
- Deadline
- Sep 13, 2026(8d)
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Combined Synopsis/Solicitation
- NAICS
- 339991
- Posted
- Sep 2, 2026
- 53--GASKET
- Deadline
- Sep 10, 2026(5d)
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Combined Synopsis/Solicitation
- NAICS
- 339991
- Posted
- Sep 2, 2026
- Brand Name OEM "Alfa Laval, Inc." - Inlet/Outlet Tube for Purifier Assembly
- Deadline
- Sep 8, 2026(3d)
- Agency
- DEPT OF THE NAVY
- Type
- Solicitation
- NAICS
- 339991
- Posted
- Sep 2, 2026
- 53--GASKET
- Deadline
- Sep 13, 2026(8d)
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Combined Synopsis/Solicitation
- NAICS
- 339991
- Posted
- Sep 2, 2026
- 53--SEAL, PLAIN
- Deadline
- Sep 13, 2026(8d)
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Combined Synopsis/Solicitation
- NAICS
- 339991
- Posted
- Sep 2, 2026
- 53--PACKING ASSEMBLY
- Deadline
- Sep 17, 2026(12d)
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Combined Synopsis/Solicitation
- NAICS
- 339991
- Posted
- Sep 2, 2026
- 53--GASKET
- Deadline
- —
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Award Notice
- NAICS
- 339991
- Posted
- Sep 2, 2026
- 53--PACKING,PREFORMED
- Deadline
- Sep 17, 2026(12d)
- Agency
- DEFENSE LOGISTICS AGENCY
- Type
- Combined Synopsis/Solicitation
- NAICS
- 339991
- Posted
- Sep 2, 2026
| Title | Agency | Type | NAICS | Posted | Deadline |
|---|---|---|---|---|---|
| 53--O-RING | DEFENSE LOGISTICS AGENCY | Award Notice | 339991 | Sep 3, 2026 | — |
| 53--O-RING | DEFENSE LOGISTICS AGENCY | Award Notice | 339991 | Sep 3, 2026 | — |
| B, C GASKET SPIRAL | DEFENSE LOGISTICS AGENCY | Award Notice | 339991 | Sep 3, 2026 | — |
| 53--GASKET | DEFENSE LOGISTICS AGENCY | Award Notice | 339991 | Sep 3, 2026 | — |
| 53--GASKET | DEFENSE LOGISTICS AGENCY | Combined Synopsis/Solicitation | 339991 | Sep 3, 2026 | Sep 13, 2026(8d) |
| 53--GASKET | DEFENSE LOGISTICS AGENCY | Award Notice | 339991 | Sep 2, 2026 | — |
| 53--PACKING MATERIAL | DEFENSE LOGISTICS AGENCY | Award Notice | 339991 | Sep 2, 2026 | — |
| 53--SEAL,PRESSURE,RAMP | DEFENSE LOGISTICS AGENCY | Combined Synopsis/Solicitation | 339991 | Sep 2, 2026 | Sep 13, 2026(8d) |
| 53--GASKET | DEFENSE LOGISTICS AGENCY | Combined Synopsis/Solicitation | 339991 | Sep 2, 2026 | Sep 10, 2026(5d) |
| Brand Name OEM "Alfa Laval, Inc." - Inlet/Outlet Tube for Purifier Assembly | DEPT OF THE NAVY | Solicitation | 339991 | Sep 2, 2026 | Sep 8, 2026(3d) |
| 53--GASKET | DEFENSE LOGISTICS AGENCY | Combined Synopsis/Solicitation | 339991 | Sep 2, 2026 | Sep 13, 2026(8d) |
| 53--SEAL, PLAIN | DEFENSE LOGISTICS AGENCY | Combined Synopsis/Solicitation | 339991 | Sep 2, 2026 | Sep 13, 2026(8d) |
| 53--PACKING ASSEMBLY | DEFENSE LOGISTICS AGENCY | Combined Synopsis/Solicitation | 339991 | Sep 2, 2026 | Sep 17, 2026(12d) |
| 53--GASKET | DEFENSE LOGISTICS AGENCY | Award Notice | 339991 | Sep 2, 2026 | — |
| 53--PACKING,PREFORMED | DEFENSE LOGISTICS AGENCY | Combined Synopsis/Solicitation | 339991 | Sep 2, 2026 | Sep 17, 2026(12d) |
Largest contracts ending within 18 months
- SPE7L126P2541 ↗$5.3M
8511802003!PARTS KIT,SEAL REPL
- Ends
- Jan 10, 2027
- Started
- Dec 18, 2025
- Agency
- Defense Logistics Agency
- NAICS
- 339991
- SPRRA126P0002 ↗$2.1M
NSN: 5330-01-336-7194
- Ends
- Jul 30, 2027
- Started
- Jan 21, 2026
- Agency
- Defense Logistics Agency
- NAICS
- 339991
- N0010426FGW00 ↗$1.4M
FILTER ELEMENT,REVE
- Ends
- Apr 11, 2027
- Started
- Nov 12, 2025
- Agency
- Department Of The Navy
- NAICS
- 339991
- N0010425CZA26 ↗$1.1M
SEAL, ASSEMBLY
- Ends
- Oct 25, 2027
- Started
- Sep 15, 2025
- Agency
- Department Of The Navy
- NAICS
- 339991
- SPE7L126C0051 ↗$1.0M
8511917415!RETAINER,SEAL
- Ends
- May 4, 2027
- Started
- Mar 4, 2026
- Agency
- Defense Logistics Agency
- NAICS
- 339991
- N0010426PYB89 ↗$901K
AFT MATING RING AS
- Ends
- May 26, 2027
- Started
- Mar 2, 2026
- Agency
- Department Of The Navy
- NAICS
- 339991
- SPE4A625C0103 ↗$894K
8511487522!BOLT,SHEAR
- Ends
- Mar 7, 2027
- Started
- Jul 20, 2025
- Agency
- Defense Logistics Agency
- NAICS
- 339991
- N0010425FGW19 ↗$888K
FILTER ELEMENT,REVE
- Ends
- Dec 13, 2026
- Started
- Jul 16, 2025
- Agency
- Department Of The Navy
- NAICS
- 339991
- 70Z08026P20074B00 ↗$817K
5330-01-565-9776 SEAL ASSEMBLY, RUDDER STOCK
- Ends
- Jan 28, 2027
- Started
- Apr 14, 2026
- Agency
- U.S. Coast Guard
- NAICS
- 339991
- SPE7L126C0025 ↗$765K
8511745646!PARTS KIT,SEAL REPL
- Ends
- Sep 27, 2026
- Started
- Dec 9, 2025
- Agency
- Defense Logistics Agency
- NAICS
- 339991
| PIID | Contractor | Description | Agency | NAICS | Obligated | Start | End |
|---|---|---|---|---|---|---|---|
| SPE7L126P2541 ↗ | Pioneer Industries, LLC | 8511802003!PARTS KIT,SEAL REPL | Defense Logistics Agency | 339991 | $5.3M | Dec 18, 2025 | Jan 10, 2027 |
| SPRRA126P0002 ↗ | Stein Seal Company | NSN: 5330-01-336-7194 | Defense Logistics Agency | 339991 | $2.1M | Jan 21, 2026 | Jul 30, 2027 |
| N0010426FGW00 ↗ | Integrated Procurement Technologies | FILTER ELEMENT,REVE | Department Of The Navy | 339991 | $1.4M | Nov 12, 2025 | Apr 11, 2027 |
| N0010425CZA26 ↗ | Oil States Industries, INC. | SEAL, ASSEMBLY | Department Of The Navy | 339991 | $1.1M | Sep 15, 2025 | Oct 25, 2027 |
| SPE7L126C0051 ↗ | Triman Industries INC | 8511917415!RETAINER,SEAL | Defense Logistics Agency | 339991 | $1.0M | Mar 4, 2026 | May 4, 2027 |
| N0010426PYB89 ↗ | Cogitic Corporation | AFT MATING RING AS | Department Of The Navy | 339991 | $901K | Mar 2, 2026 | May 26, 2027 |
| SPE4A625C0103 ↗ | R & M Government Services INC | 8511487522!BOLT,SHEAR | Defense Logistics Agency | 339991 | $894K | Jul 20, 2025 | Mar 7, 2027 |
| N0010425FGW19 ↗ | Integrated Procurement Technologies | FILTER ELEMENT,REVE | Department Of The Navy | 339991 | $888K | Jul 16, 2025 | Dec 13, 2026 |
| 70Z08026P20074B00 ↗ | Pioneer Industries, LLC | 5330-01-565-9776 SEAL ASSEMBLY, RUDDER STOCK | U.S. Coast Guard | 339991 | $817K | Apr 14, 2026 | Jan 28, 2027 |
| SPE7L126C0025 ↗ | Pioneer Industries, LLC | 8511745646!PARTS KIT,SEAL REPL | Defense Logistics Agency | 339991 | $765K | Dec 9, 2025 | Sep 27, 2026 |