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NAICS Code· 339991

NAICS 339991: Gasket, Packing, and Sealing Device Manufacturing

This U.S. industry comprises establishments primarily engaged in manufacturing gaskets, packing, and sealing devices of all materials. Show more

NAICS 339991 – Gasket, Packing, and Sealing Device Manufacturing encompasses the design and production of precision-engineered components used to prevent leakage, maintain pressure integrity, and ensure environmental sealing in mechanical and fluid systems. This includes molded and cut gaskets, O-rings, packings, seals, and dynamic or static sealing assemblies made from elastomers, metals, composites, and specialty polymers.

620
Active Contracts
$261.1M
Total Obligations (12mo)
9.9K
Awarded Contracts (12mo)
941
Contractors Awarded (12mo)
2
Median Bidders per Award
+59.7%
YoY Growth

Awarded Contractors

Companies that have received federal awards classified under NAICS 339991.

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NAICS 339991 FAQ

Frequently Asked Questions

NAICS code 339991 covers Gasket, Packing, and Sealing Device Manufacturing. This U.S. industry comprises establishments primarily engaged in manufacturing gaskets, packing, and sealing devices of all materials.

Recently Posted in Gasket, Packing, and Sealing Device Manufacturing

NAICS: 339991
Awarded
DIBBS
GASKET SET
Solicitation # SPE7L1-26-T-779M
The contract pertains to the procurement of a GASKET SET with NSN/Part Number 5330-01-632-3652, under Purchase Request 7017322197 for a quantity of one unit. The solicitation number is SPE7L1-26-T-779M, issued by the Defense Logistics Agency under the Department of Defense, with a posting date of June 29, 2026, and a response deadline of July 10, 2026. The North American Industry Classification System code is 339991, indicating the supplier must operate within miscellaneous manufacturing industries. This is a federal solicitation with no specific set-aside designation, meaning it is open to all qualified vendors. The place of performance and office address details are not specified, but the contracting entity is located in the United States. Interested parties must submit proposals via the DIBBS portal using the provided UI link before the deadline to be considered for award.
Defense Logistics Agency

POSTED

2 days ago

DEADLINE

N/A
View Details
NAICS: 339991
New
DIBBS
Manufacturing of Packing Material (NSN 5330017183351)This subcontract opportunity with the Department of Defense, specifically the Maritime Supply Chain ESOC Buys, involves the manufacture of specialized packing material under NSN 5330017183351. The materials must strictly adhere to military specifications, ensuring they are free of mercury and asbestos while meeting zero-based sampling quality standards. The project is categorized under NAICS code 339991 and will be performed in Pearl Harbor, Hawaii. Interested parties must submit their responses by September 2, 2026, following the posting date of August 28, 2026.
MARITIME SUPPLY CHAIN ESOC BUYS

POSTED

2 days ago

DEADLINE

in 3 days
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NAICS: 339991
Awarded
DIBBS
GASKET
Solicitation # SPE7L1-26-T-01R9
This federal solicitation, issued by the Defense Logistics Agency under the Department of Defense, seeks the procurement of six gaskets identified by NSN 5330-01-601-8936 and part number 5330-01-601-8936. The contract is categorized as a solicitation under the identification number SPE7L1-26-T-01R9. This procurement is part of a formal request process initiated through purchase request 7017978232 to meet specific defense logistics requirements. The solicitation was posted on August 23, 2026, with a strict response deadline set for September 3, 2026. Interested parties must submit their responses through the official DIBBS procurement portal to be considered for the award. As a federal procurement, this action is managed by the Defense Logistics Agency to ensure the timely acquisition of necessary hardware components for military operations.
Defense Logistics Agency

POSTED

2 days ago

DEADLINE

N/A
View Details
NAICS: 339991
New
DIBBS
SEAL, PLAIN
Solicitation # SPE7M4-26-T-139T
This contract is for the procurement of 68 plain seals, identified by NSN 5330013917951 and Eaton Aerospace part number 610821. The item is designated as a critical application item and must be free of asbestos as defined in FED-STD-313. Delivery is required within 164 days after the order, with a required delivery date of September 24, 2026, and a need ship date of November 17, 2026. The shipment is to be delivered FOB Origin to the DLA Distribution Depot Hill at Hill AFB, Utah. The agreement mandates strict adherence to technical and quality requirements, including DLA packaging requirements and MIL-STD-129 marking standards. Specifically, the items must be packaged in medium duty, waterproof, greaseproof, opaque bags per MIL-DTL-117 to prevent deterioration from ultraviolet rays. Inspection and acceptance will take place at the destination. The contract also incorporates specific quality standards for manufacturers and non-manufacturers, as well as requirements for the removal of government identification from non-accepted supplies.
FLUID HANDLING DIVISION

POSTED

2 days ago

DEADLINE

in 3 days
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NAICS: 339991
New
DIBBS
GASKET
Solicitation # SPE7L3-26-T-183C
Solicitation SPE7L3-26-T-183C is a request for quotations issued by the Department of Defense, specifically DLA Land and Maritime, for the procurement of 266 gaskets identified by NSN 5330008762420. The requirement is for a critical application item with a need ship date of February 12, 2027, and an original required delivery date of March 7, 2027. Delivery is specified as FOB Origin, with the final destination being the DLA Distribution Depot Oklahoma at Tinker AFB. The contract mandates strict adherence to quality and packaging standards, including MIL-STD-2073-1E for preservation and MIL-STD-129 for marking. Items must be sealed in medium duty, waterproof, greaseproof, opaque bags per MIL-DTL-117 to prevent deterioration from ultraviolet rays. Quality assurance requires a manufacturer inspection system complying with ISO 9001:2015, with sampling conducted according to MIL-STD-1916 or ASQ H1331. Inspection and acceptance will occur at the destination per FAR 52.246-2. Compliance with domestic sourcing restrictions is required, including the Buy American Act and the Berry Amendment. Offerors must submit quotes via the DIBBS portal and are encouraged to provide quantity ranges. Payment and receiving reports must be processed electronically through the Wide Area WorkFlow system. Item Unique Identification is not required for this specific procurement.
LAND SUPPLIER OPNS VEHICLE SPT

POSTED

2 days ago

DEADLINE

in 2 days
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NAICS: 339991
New
DIBBS
O-RING
Solicitation # SPE7L1-26-T-973E
Solicitation SPE7L1-26-T-973E is a request for quotations issued by DLA Land and Maritime for the procurement of 124 O-rings, identified as NSN 5331012199072. This is designated as a critical application item and is identified as a commercial product. Approved sources include Honeywell International Inc and Boeing Distribution Services X, Inc, both utilizing part number 2670890-8. The required delivery date is February 1, 2027, with a need ship date of January 20, 2027, and a delivery lead time of 145 days. Shipping is FOB Origin, with inspection and acceptance occurring at the destination, specifically the DLA Distribution DDSP New Cumberland Facility in Pennsylvania. The contract mandates strict quality and packaging standards, including compliance with MIL-STD-129 for marking and RP001 for palletization. Due to the risk of ultraviolet deterioration, items must be sealed in medium duty, waterproof, greaseproof, opaque bags per MIL-DTL-117. Special marking code 20, indicating do not bend, is required. Quality assurance follows MIL-STD-1916 or ASQ H1331, with an acceptance threshold of zero non-conformances in the sample lot. Administrative requirements include the use of the Wide Area WorkFlow system for invoicing and adherence to Buy American and Berry Amendment restrictions. All quotes must be submitted via the DLA Internet Bid Board System.
LAND SUPPLY CHAIN

POSTED

2 days ago

DEADLINE

in 2 days
View Details
NAICS: 339991
New
DIBBS
SEAL, PLAIN
Solicitation # SPE4A5-26-T-338V
The contract specifies the procurement of a SEAL, PLAIN item identified by part number 1170-02-750-1-0 from Saint-Gobain Performance Plastics and 7780001-230 from Parker-Hannifin Corporation, classified as a commercial item and designated as a Critical Application Item. It is governed by the DLA Master List of Technical and Quality Requirements, incorporating standards such as MIL-STD-1916 or ASQ H1331 for sampling, with zero non-conformances required unless otherwise stated. Inspection and acceptance occur at origin, with strict adherence to MIL-STD-2073-1E packaging, MIL-STD-129 marking, and DLA packaging requirements. The item must be sealed in a medium-duty, waterproof, greaseproof, opaque bag per MIL-DTL-117, Type II, Class C, Style 1, especially for direct vendor deliveries, foreign military sales, and stock shipments. No asbestes is permitted, and government identification must be removed from non-accepted supplies. The item is assigned NSN 5330-00-338-2593 with a quantity of seven units, delivered FOB origin within 97 days, and subject to zero variance in quantity. Packaging and shipping follow detailed DLA protocols, including palletization and hazardous materials handling per IP025, with delivery directed to Robins Air Force Base in Georgia. All documentation, source approval, and configuration management must comply with applicable contractual requirements, and the contract’s revision control aligns with DLA’s master list effective on the RFP issue date.
ASC SUPPLIER OPER OEM DIVISION

POSTED

2 days ago

DEADLINE

in 2 days
View Details
NAICS: 339991
New
DIBBS
SEAL, PLAIN ENCASED
Solicitation # SPE7L3-26-T-178R
Solicitation SPE7L3-26-T-178R is a federal procurement issued by the Department of Defense, specifically the Land Supplier Opns Vehicle Spt, for the acquisition of seven plain encased seals (NSN 5330016864341). The contract specifies a delivery window of 105 days from award, with a required delivery date of December 8, 2026. Shipping is designated as FOB Origin, with the final destination and point of inspection and acceptance located at the DLA Distribution DDSP New Cumberland Facility in Pennsylvania. Invoicing and payment must be processed electronically through the Wide Area WorkFlow (WAWF) system. The contractor must adhere to strict technical and environmental standards, including the prohibition of asbestos per FED-STD-313 and restrictions on mercury compounds according to NAVSEA 5100-003D. Packaging and marking must comply with MIL-STD-2073-1E, MIL-STD-129, and MIL-STD-130N, while palletization must follow DLA requirement RP001. The solicitation incorporates various FAR and DFARS clauses covering equal opportunity, combatting trafficking in persons, and the safeguarding of covered defense information. Proposals are due by August 24, 2026, and must be submitted electronically via the DLA Internet Bid Board System (DIBBS).
LAND SUPPLIER OPNS VEHICLE SPT

POSTED

2 days ago

DEADLINE

in 2 days
View Details
NAICS: 339991
New
DIBBS
GASKET
Solicitation # SPE7LX-26-U-9559
Solicitation SPE7LX-26-U-9559 is an Indefinite Delivery Contract (IDC) issued by the Department of Defense, specifically DLA Land and Maritime, for the procurement of gaskets (NSN 5330-01-054-9794). This total small business set-aside under NAICS 339991 has an estimated annual quantity of 88 units across approximately four orders per year, with a guaranteed minimum quantity of 13 units once the contract becomes binding. The contract has a maximum value ceiling of 350,000 dollars and a delivery requirement of 97 days after receipt of order, with shipping terms set as FOB Destination. The contract mandates strict adherence to military standards for packaging, marking, and preservation, including MIL-STD-129, MIL-STD-130N, and MIL-STD-2073-1E. Specific requirements include the use of MIL-DTL-117 for UV-sensitive materials and compliance with CMMC Level 2 cybersecurity standards. Technical data is subject to ITAR or EAR export controls, requiring contractors to have approved US/Canada Joint Certification Program certification. Inspection and acceptance are conducted by the government at the destination. Invoicing and payment must be processed through the Wide Area WorkFlow (WAWF) system. Quotations are due by August 27, 2026, via the DLA-BSM Internet Bid Board System.
STRATEGIC ACQ PROGRAM DIRECTORATE

POSTED

2 days ago

DEADLINE

in 2 days
View Details
NAICS: 339991
New
DIBBS
O-RING
Solicitation # SPE7L1-26-T-908V
Solicitation SPE7L1-26-T-908V is issued by the Department of Defense Land Supply Chain for the procurement of 102 preformed packing O-rings (NSN 5331-00-251-4237). The contract requires delivery to the DLA Distribution San Joaquin facility in Tracy, California, within 24 days after the date of award. The shipment is designated as FOB Origin, with inspection and acceptance occurring at the destination. All quotes must be submitted electronically via the DIBBS portal by August 14, 2026. The contractor must adhere to strict material and packaging standards, including the prohibition of asbestos and Class I ozone-depleting chemicals. Packaging must comply with MIL-STD-2073-1E and RP001, with UV-sensitive items requiring opaque, waterproof bags per MIL-DTL-117. Marking and bar-coding must follow MIL-STD-129, and hazardous materials must be labeled according to 29 CFR 1910.1200. Invoicing and payment processing are mandated through the Wide Area WorkFlow (WAWF) system. The solicitation includes various FAR and DFARS clauses covering small business representations, sustainable products, and the safeguarding of covered defense information.
LAND SUPPLY CHAIN

POSTED

2 days ago

DEADLINE

in 2 days
View Details
NAICS: 339991
Awarded
DIBBS
O-RING
Solicitation # SPE7L1-26-T-977R
This contract, identified as SPE7L1-26-T-977R, is for the procurement of O-rings with National Stock Number 5331014392189 and part number 8699970115 from Detroit Diesel Corp. The agreement covers multiple line items, each for a quantity of one unit, with a required delivery date of August 14, 2026. Delivery is set as FOB Origin, with inspection and acceptance occurring at the destination. The items must be packaged in medium duty, waterproof, greaseproof, opaque bags per MIL-DTL-117 to prevent deterioration from ultraviolet rays. Marking and packaging must adhere to MIL-STD-129 and MIL-STD-2073-1E. Shipments are to be sent via the fastest traceable means to the SWRMC MAC-MO shipping and receiving facility in National City, California, specifically avoiding the use of parcel post.
Defense Logistics Agency

POSTED

2 days ago

CLOSED

1 day ago
View Details
NAICS: 339991
Awarded
DIBBS
RETAINER, PACKING
Solicitation # SPE7M4-26-T-237V
The Defense Logistics Agency has awarded a contract to BASIC RUBBER AND PLASTICS CO. (CAGE 6K404) for the procurement of a RETAINER, PACKING with NSN 5330015503344 and PR 7017316361, at a total contract price of $498.40. The award was issued on July 15, 2026, under solicitation number SPE7M4-26-T-237V, and is classified under NAICS code 339991, indicating it falls within the miscellaneous manufacturing sector. The contract is a federal procurement through the Department of Defense with no specific set-aside designation, and the place of performance and office address details are not specified beyond the United States. Point of contact for the contract is Blake Tushar, reachable via phone at 6146712585 or email at blake.tushar@dla.mil. The contract was posted on the DIBBS system, with the official record accessible through the provided UI link.
Defense Logistics Agency

POSTED

2 days ago

DEADLINE

N/A
View Details

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