National Stock Number
5331-01-220-9578
National Stock Number (NSN) 5331-01-220-9578, or NIIN 012209578, (o-ring) was assigned November 22, 1985 in the Federal Logistics Information System (FLIS). NIIN 012209578 was cancelled on April 2, 1998, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5330010468006. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5331012209578 does not contain precious metals.
This information was last updated on Jul 01, 2025.