National Stock Number
5331-01-541-1851
National Stock Number (NSN) 5331-01-541-1851, or NIIN 015411851, (o-ring) was assigned June 19, 2006 in the Federal Logistics Information System (FLIS). NIIN 015411851 was cancelled on May 2, 2008, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5331001661085. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
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.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5331015411851 does not contain precious metals.
This information was last updated on Jul 01, 2025.