339991 - Gasket, Packing, and Sealing Device Manufacturing

When it comes to ensuring machinery operates smoothly and safely, high-quality gaskets, packing, and sealing devices play a critical role. This is where NAICS code 339991 comes into focus — an essential code within the manufacturing sector that covers the production of these vital industrial components. Whether you're a business owner, contractor, or government agency looking to understand this industry classification, this guide dives deep into everything you need to know about Gasket, Packing, and Sealing Device Manufacturing.

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What is NAICS Code 339991?

NAICS code 339991 represents establishments primarily engaged in the manufacturing of gaskets, packing, and sealing devices. These products are crucial for preventing leaks, maintaining tight seals, and safeguarding mechanical systems across various industries such as automotive, aerospace, oil and gas, and manufacturing.

The gaskets and seals manufactured under this code are typically made from a diverse range of materials, including:

• Rubber
• Cork
• Metal
• Other synthetic and natural materials

These materials are selected based on the intended industrial application and performance requirements.

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Sector and Typical Business Activities

NAICS 339991 belongs to the Manufacturing sector, specifically focusing on specialized components that provide sealing solutions to complex mechanical and industrial systems.

Typical Business Activities Include:

• Manufacturing coaxial mechanical face seals
• Production of compression packings
• Fabrication of molded packings and seals
• Manufacture of rubber gaskets
• Production of metal sealing devices
• Assembly of grease and oil seals
• Crafting packing materials for sealing applications

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Size Standards for NAICS Code 339991

For federal contracting and eligibility, the Small Business Administration (SBA) has set the size standard for NAICS 339991 as 600 employees. Businesses with 600 or fewer employees qualify as small businesses under this code, which can impact their eligibility for various government programs and contracts.

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Examples of Businesses under NAICS 339991

Some common examples of business types and activities that fall within this NAICS code include:

• Rubber gasket manufacturing companies producing seals for automotive engines
• Metal sealing device production firms serving aerospace applications
• Packing and sealing component fabricators supplying oil and gas pipelines
• Manufacturers specializing in molded rubber packings for industrial machinery

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NAICS 339991 Code Details Table

NAICS Code	Description
339991	Gasket, Packing, and Sealing Device Manufacturing
33999101	Coaxial Mechanical Face Seals Manufacturing
33999102	Compression Packings Manufacturing
33999103	Gaskets Manufacturing
33999104	Grease Seals Manufacturing
33999105	Molded Packings and Seals Manufacturing
33999106	Oil Seals Manufacturing
33999107	Seals, Grease or Oil, Manufacturing

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Frequently Asked Questions (FAQ)

What types of materials are used in gasket and seal manufacturing?

Materials commonly include rubber, cork, various metals, and synthetic composites tailored to withstand pressure, temperature, and chemical exposure.

Which industries commonly use products from NAICS 339991?

Industries such as automotive, aerospace, oil and gas, chemical processing, and manufacturing plants rely heavily on gaskets and seals for operational integrity.

Can a business with 700 employees still qualify under NAICS code 339991?

No. The SBA size standard for this code is 600 employees. Businesses exceeding this number do not qualify as small businesses under this NAICS code.

How can I find government contracting opportunities under NAICS 339991?

Searching federal procurement platforms like SAM.gov using NAICS code 339991 can help you identify relevant contracting opportunities.

What is the significance of gaskets and seals in industrial applications?

They are critical for preventing fluid or gas leaks, maintaining pressure, and ensuring safety and efficiency of machinery and equipment.

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Conclusion

Understanding NAICS code 339991 is vital for businesses and contractors engaged in or interested in the manufacturing of gaskets, packing, and sealing devices. As a key segment of the manufacturing sector, this code captures a variety of specialized activities centered on producing components that ensure the smooth operation of machinery across multiple industries.

If you’re involved in this industry or looking to pursue government contracts, knowing these specifics—especially the size standard of 600 employees and the range of manufacturing activities—is crucial for strategizing your business growth and compliance.

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Keywords: NAICS 339991, Gasket Manufacturing, Sealing Devices, Packing Manufacturing, Rubber Gaskets, Metal Seals, Manufacturing Sector, Government Contracts, Small Business Size Standard, Industrial Sealants