Manufacturing › Miscellaneous Manufacturing › Other Miscellaneous Manufacturing
Sector
Manufacturing
Subsector
Miscellaneous Manufacturing
Industry Group
Other Miscellaneous Manufacturing
National Industry (This Code)
Gasket, Packing, and Sealing Device Manufacturing
Source: U.S. Census Bureau 2022 NAICS
Based on SBA Table of Small Business Size Standards (2024)
Size Standard
600 employees
Measurement Period
Current count
Standard Type
Employee-Based
Applies To
All contracts under NAICS 339991
Set-Aside Programs
8(a), WOSB, HUBZone, SDVOSB
Certification Required
No (self-certify in SAM.gov)
Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.
NAICS code 339991 — Gasket, Packing, and Sealing Device Manufacturing — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Other Miscellaneous Manufacturing space will be able to find your business.
If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 600 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 339991.
NAICS code 339991 is 'Gasket, Packing, and Sealing Device Manufacturing', classified under the Manufacturing sector (NAICS 33). This U.S. industry comprises establishments primarily engaged in manufacturing gaskets, packing, and sealing devices of all materials.
The SBA defines a small business under NAICS code 339991 (Gasket, Packing, and Sealing Device Manufacturing) as one with 600 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.
To register NAICS code 339991 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 339991 (Gasket, Packing, and Sealing Device Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.
Other codes in Other Miscellaneous Manufacturing
PSC codes commonly used with this NAICS sector
Source: GSA PSC Manual April 2025
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