NAICS 339991 – Gasket, Packing, and Sealing Device Manufacturing

Browse 453+ active federal contract opportunities classified under NAICS 339991.

Recent Opportunities

• 53--O-RING
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 11, 2026 NAICS: 339991 Set-Aside: SBA
• 53--RETAINER,SEAL
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 11, 2026 NAICS: 339991
• 53--SEAL SPECIAL
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 NAICS: 339991
• 53--SEAL,NONMETALLIC SPECI
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 11, 2026 NAICS: 339991 Set-Aside: SBA
• 53--RUBBER STRIP
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 11, 2026 NAICS: 339991 Set-Aside: SBA
• 53--PACKING ASSEMBLY
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 11, 2026 NAICS: 339991
• 53--SEAL,PLAIN
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 NAICS: 339991
• 53--SEAL ASSEMBLY,T SECTIO
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 11, 2026 NAICS: 339991
• 53--SEAL SPECIAL
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 NAICS: 339991
• 53--PACKING MATERIAL
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 7, 2026 NAICS: 339991 Set-Aside: SBA
• 53--Central California Area Office (CCAO) Penstock Pac
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Jul 27, 2026 NAICS: 339991
• 53--SEAL,PLAIN ENCASED
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 7, 2026 NAICS: 339991
• 53--RETAINER,SEAL,VISOR
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 NAICS: 339991
• 53--PACKING MATERIAL
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 7, 2026 NAICS: 339991
• 53--GASKET
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 7, 2026 NAICS: 339991
• 53--GASKET
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 Due: Aug 11, 2026 NAICS: 339991 Set-Aside: SBA
• 53--PACKING ASSEMBLY
  Agency: DEPT OF DEFENSE Posted: Jul 27, 2026 NAICS: 339991
• 53--GASKET
  Agency: DEPT OF DEFENSE Posted: Jul 26, 2026 Due: Aug 10, 2026 NAICS: 339991
• 53--SEAL,PLAIN ENCASED
  Agency: DEPT OF DEFENSE Posted: Jul 26, 2026 Due: Aug 10, 2026 NAICS: 339991 Set-Aside: SBA
• 53--PACKING,PREFORMED
  Agency: DEPT OF DEFENSE Posted: Jul 26, 2026 Due: Aug 10, 2026 NAICS: 339991
• 53--O-RING
  Agency: DEPT OF DEFENSE Posted: Jul 26, 2026 Due: Aug 10, 2026 NAICS: 339991
• Tornado Door and APR parts, National Bio and Agro-Defense Facility, Manhattan, Kansas
  Agency: AGRICULTURE, DEPARTMENT OF Posted: Jul 24, 2026 Due: Jul 27, 2026 NAICS: 339991 Set-Aside: SBA Location: KS
• SEAT,VALVE
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Aug 17, 2026 NAICS: 339991
• RETAINER
  Agency: DEPT OF DEFENSE Posted: Jul 24, 2026 Due: Aug 24, 2026 NAICS: 339991
• 53--GASKET
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 NAICS: 339991

Data sourced from SAM.gov. Updated daily. Last updated: July 28, 2026.