National Stock Number
2920-00-540-5597
National Stock Number (NSN) 2920-00-540-5597, or NIIN 005405597, (spark plug) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 005405597 was cancelled on January 2, 2009, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2920008169844. This NSN replaces 9 stock numbers. Five of the National Stock Numbers that it replaces are: 2920009364975, 2920009185046, 2920007287507, 2920000190581, 2920005871981.
There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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) 00294. [AN ITEM CONTAINING TWO OR MORE ELECTRODES ACROSS WHICH AN ELECTRIC SPARK IS DISCHARGED TO IGNITE A FUEL AND AIR MIXTURE, PRIMARILY IN INTERNAL COMBUSTION ENGINES. EXCLUDES:GLOW PLUG; ELECTRODE.]. 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 2920005405597 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.