National Stock Number
2840-01-240-3420
National Stock Number (NSN) 2840-01-240-3420, or NIIN 012403420, (flame arrestor cent) was assigned September 12, 1986 in the Federal Logistics Information System (FLIS). NIIN 012403420 was cancelled on June 2, 2007, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2840012677654. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 77777. 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 2840012403420 does not contain precious metals.
This information was last updated on Jul 01, 2025.