National Stock Number
5331-00-722-4973
National Stock Number (NSN) 5331-00-722-4973, or NIIN 007224973, (o-ring) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 007224973 was cancelled on November 2, 2007, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5331005856663. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has a strong supply network for this NSN, with 18 sources of supply.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 or any other critical feature 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 5331007224973 does not contain precious metals.
This information was last updated on Aug 01, 2025.