NSN 5331-01-075-3876, 5331010753876
O-RING

Federal Supply Classification: FSC 5331 - O-Ring
National Item Identification Number: NIIN 010753876
Codification Country: United States
Item Name Code: INC 47946
Criticality: (Y) This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 5331-01-075-3876

National Stock Number (NSN) 5331-01-075-3876, or NIIN 010753876, (o-ring) was assigned April 20, 1979 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 47946. [A NONMETALLIC CIRCULAR ITEM WITH AN APERATURE, HAVING A SOLID ROUND CROSS-SECTION. THEY ARE USED PRIMARILY FOR SEALING. FOR ITEMS WITH OTHER THAN ROUND CROSS SECTION, SEE PACKING,PREFORMED. FOR NONCIRCULAR ITEMS WITH A ROUND CROSS-SECTION, SEE SEAL,NONMETALLIC ROUND SECTION AND RUBBER,ROUND SECTION.]. This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5331010753876 contains an unknown precious metal.

This NSN is associated to Schedule B 4016930000: gaskets, washers and other seals, of vulcanized rubber other than hard rubber. The Schedule B End Use is listed as industrial rubber products. NAICS classification category 339991: gasket, packing, and sealing device manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

CENTER HOLE DIAMETER: (ADYT) 33.875 INCHES MINIMUM AND 34.125 INCHES MAXIMUM
CRITICALITY CODE JUSTIFICATION: (CRTL) ZZZY
CROSS-SECTIONAL HEIGHT: (ADVN) 0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM
MATERIAL: (MATT) RUBBER SILICONE CLASS Q
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: (ZZZY) AS DIFFERENTIATED BY PACKAGING IN ACCORDANCE WITH MIL-P-23199 AND MATERIAL CONFORMING TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
TEST DATA DOCUMENT: (TEST) 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).