NAICS 339991 Contracts — Set-Asidehttps://setasidebrief.com/naics/339991/enFri, 16 Oct 2026 00:00:00 +0000720New items in NAICS 339991 Contracts (up to 50, updated daily). Always check the official notice. Source: SAM.gov Contract Opportunities public data (U.S. GSA). Unofficial; not affiliated with SAM.gov.Source: SAM.gov Contract Opportunities public data (U.S. GSA). Unofficial; not affiliated with SAM.gov.long term contract (NIIN list attached) — due Nov 1, 2026https://setasidebrief.com/o/faca4658b9314a628e5238dcd3733f7f/https://setasidebrief.com/o/faca4658b9314a628e5238dcd3733f7f/Fri, 16 Oct 2026 00:00:00 +0000Department of the Navy · Presolicitation · Set-aside: Open to all · Place: Not specified · NAICS 339991 · Response due: Nov 1, 2026, 12:00 AM (UTC-04:00)SEAL, PLAIN 6649 — due Nov 4, 2026https://setasidebrief.com/o/7d4c00a1a27e4309bb5b694035885164/https://setasidebrief.com/o/7d4c00a1a27e4309bb5b694035885164/Fri, 16 Oct 2026 00:00:00 +0000Defense Logistics Agency · Presolicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Nov 4, 2026, 11:59 PM (UTC-05:00)GASKET, HYBRID — due Nov 12, 2026https://setasidebrief.com/o/ff6c76a298054c2293c49c1865850ecd/https://setasidebrief.com/o/ff6c76a298054c2293c49c1865850ecd/Thu, 15 Oct 2026 00:00:00 +0000Department of the Navy · Solicitation · Set-aside: Open to all · Place: Not specified · NAICS 339991 · Response due: Nov 12, 2026, 4:30 PM (UTC-04:00)53--RETAINER,PACKING — due Oct 26, 2026https://setasidebrief.com/o/fa3df37461ee4e6faf2e7707782ebb7c/https://setasidebrief.com/o/fa3df37461ee4e6faf2e7707782ebb7c/Thu, 15 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 26, 2026, 12:00 AM (UTC+00:00)SEAL,PLAIN — due Nov 12, 2026https://setasidebrief.com/o/f2e867db6e074ac5b5450ab8b69280f4/https://setasidebrief.com/o/f2e867db6e074ac5b5450ab8b69280f4/Thu, 15 Oct 2026 00:00:00 +0000Department of the Navy · Solicitation · Set-aside: Open to all · Place: Not specified · NAICS 339991 · Response due: Nov 12, 2026, 4:30 PM (UTC-04:00)GASKET — due Nov 13, 2026https://setasidebrief.com/o/e2187aa8a89c4a688a41e77d68a03289/https://setasidebrief.com/o/e2187aa8a89c4a688a41e77d68a03289/Thu, 15 Oct 2026 00:00:00 +0000Department of the Navy · Solicitation · Set-aside: Open to all · Place: Not specified · NAICS 339991 · Response due: Nov 13, 2026, 4:30 PM (UTC-04:00)GASKET, HYBRID — due Nov 13, 2026https://setasidebrief.com/o/d936c0b8bc6449e1a25cee74fc940ec7/https://setasidebrief.com/o/d936c0b8bc6449e1a25cee74fc940ec7/Thu, 15 Oct 2026 00:00:00 +0000Department of the Navy · Solicitation · Set-aside: Open to all · Place: Not specified · NAICS 339991 · Response due: Nov 13, 2026, 4:30 PM (UTC-04:00)GASKET, HYBRID — due Nov 13, 2026https://setasidebrief.com/o/9c31883ce7b448df990c3aecd6fca176/https://setasidebrief.com/o/9c31883ce7b448df990c3aecd6fca176/Thu, 15 Oct 2026 00:00:00 +0000Department of the Navy · Solicitation · Set-aside: Open to all · Place: Not specified · NAICS 339991 · Response due: Nov 13, 2026, 4:30 PM (UTC-04:00)53--SEAL,NONMETALLIC SPECI — due Oct 26, 2026https://setasidebrief.com/o/9912fad15f8e4c4b99b964fbe2deffcd/https://setasidebrief.com/o/9912fad15f8e4c4b99b964fbe2deffcd/Thu, 15 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 26, 2026, 12:00 AM (UTC+00:00)53--PACKING WITH RETAINER — due Oct 30, 2026https://setasidebrief.com/o/8975870a8ebb46a8b23e904e8ac12693/https://setasidebrief.com/o/8975870a8ebb46a8b23e904e8ac12693/Thu, 15 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 30, 2026, 12:00 AM (UTC+00:00)GASKET, HYBRID — due Nov 12, 2026https://setasidebrief.com/o/8396e25f13f0419697962a02766d2998/https://setasidebrief.com/o/8396e25f13f0419697962a02766d2998/Thu, 15 Oct 2026 00:00:00 +0000Department of the Navy · Solicitation · Set-aside: Open to all · Place: Not specified · NAICS 339991 · Response due: Nov 12, 2026, 4:30 PM (UTC-04:00)RETAINER — due Nov 13, 2026https://setasidebrief.com/o/351e71cbe5624f529263d4e3301041f8/https://setasidebrief.com/o/351e71cbe5624f529263d4e3301041f8/Thu, 15 Oct 2026 00:00:00 +0000Department of the Navy · Solicitation · Set-aside: Open to all · Place: Not specified · NAICS 339991 · Response due: Nov 13, 2026, 4:30 PM (UTC-04:00)53--RETAINER,PACKING — due Oct 30, 2026https://setasidebrief.com/o/293eed3d2d3a469593602e15fb8320f8/https://setasidebrief.com/o/293eed3d2d3a469593602e15fb8320f8/Thu, 15 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 30, 2026, 12:00 AM (UTC+00:00)53--SEAL ASBLY — due Oct 30, 2026https://setasidebrief.com/o/1baa7a32a677407a8c10019eee62a211/https://setasidebrief.com/o/1baa7a32a677407a8c10019eee62a211/Thu, 15 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Open to all · Place: Not specified · NAICS 339991 · Response due: Oct 30, 2026, 12:00 AM (UTC+00:00)53--SEAL,PLAIN — due Oct 29, 2026https://setasidebrief.com/o/fe6c4ae5b0424970b55d10ceb3d4b7bb/https://setasidebrief.com/o/fe6c4ae5b0424970b55d10ceb3d4b7bb/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--SEAL,PLAIN ENCASED — due Oct 29, 2026https://setasidebrief.com/o/da8d85d5913c4dd49a2b911b8f089e81/https://setasidebrief.com/o/da8d85d5913c4dd49a2b911b8f089e81/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--SEAL,PLAIN — due Oct 29, 2026https://setasidebrief.com/o/d1a3d9f7f4a045aab302f382f6be1a80/https://setasidebrief.com/o/d1a3d9f7f4a045aab302f382f6be1a80/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--GASKET SET — due Oct 29, 2026https://setasidebrief.com/o/c89e1b32269348ba8df5c3f04901b3c8/https://setasidebrief.com/o/c89e1b32269348ba8df5c3f04901b3c8/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--SEAL,PLAIN — due Oct 29, 2026https://setasidebrief.com/o/c77114b7b4eb458f8393968de3774668/https://setasidebrief.com/o/c77114b7b4eb458f8393968de3774668/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--O-RING — due Oct 29, 2026https://setasidebrief.com/o/983b08bb5a0f48bc88c591e20237062a/https://setasidebrief.com/o/983b08bb5a0f48bc88c591e20237062a/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--PARTS KIT,SEAL REPLACE — due Oct 29, 2026https://setasidebrief.com/o/95d7246eaac441aba3a77553bbe067bd/https://setasidebrief.com/o/95d7246eaac441aba3a77553bbe067bd/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--SEAL KIT,DOOR — due Oct 29, 2026https://setasidebrief.com/o/79acbf00b7cc41808b65d97c52ab85e1/https://setasidebrief.com/o/79acbf00b7cc41808b65d97c52ab85e1/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Service-Disabled Veteran-Owned Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--RUBBER STRIP — due Oct 29, 2026https://setasidebrief.com/o/735411edf7e54a77bc6ae7a5125f5b6d/https://setasidebrief.com/o/735411edf7e54a77bc6ae7a5125f5b6d/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--SEAL,PLAIN ENCASED — due Oct 29, 2026https://setasidebrief.com/o/64960e141c564d1f947a3b3af10d55f9/https://setasidebrief.com/o/64960e141c564d1f947a3b3af10d55f9/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--GASKET — due Oct 29, 2026https://setasidebrief.com/o/59a7973ef67249249d5380c5780cd158/https://setasidebrief.com/o/59a7973ef67249249d5380c5780cd158/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--RETAINER,PACKING — due Oct 29, 2026https://setasidebrief.com/o/542635fba72347f6ae6cddc628159668/https://setasidebrief.com/o/542635fba72347f6ae6cddc628159668/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)53--SEAL,PLAIN — due Oct 29, 2026https://setasidebrief.com/o/325d15e2abc14e598eb1b5b68f7d8f30/https://setasidebrief.com/o/325d15e2abc14e598eb1b5b68f7d8f30/Wed, 14 Oct 2026 00:00:00 +0000Defense Logistics Agency · Combined Synopsis/Solicitation · Set-aside: Small Business · Place: Not specified · NAICS 339991 · Response due: Oct 29, 2026, 12:00 AM (UTC+00:00)Seal & O-Ring — due Oct 29, 2026https://setasidebrief.com/o/dc0ec8a74e1241f09842773b98f00e35/https://setasidebrief.com/o/dc0ec8a74e1241f09842773b98f00e35/Tue, 29 Sep 2026 00:00:00 +0000Department of the Air Force · Solicitation · Set-aside: Small Business · Place: Ogden, Utah · NAICS 339991 · Response due: Oct 29, 2026, 4:30 PM (UTC-04:00)