National Stock Number (NSN) 4520-00-164-1323, or NIIN 001641323, (igniter,spark,fuel) was assigned August 14, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 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, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. 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 a year. There have been 21 contracts issued for this part number, with 21 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE8E824V0926, SPE8E824V0926, SPE8E823V1108, SPE8E823V0658, SPE8E823V0185. The total value of the awarded contracts has been US$ 121,808.90.
This NSN is fairly common among different weapons systems, belonging to 12 different platforms.
There has been a moderate amount of demand for this national stock number. Globally, demand for this NSN has originated from 11 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 17, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 33715. [AN ITEM HAVING ONE OR MORE ELECTRODES ARRANGED TO FORM AN AIR GAP ACROSS WHICH AN ELECTRIC SPARK IS INTRODUCED AND DISCHARGED TO IGNITE FUEL AND AIR MIXTURES IN SPACE HEATERS, FURNACES, AND THE LIKE. EXCLUDES:SPARK PLUG; GLOW PLUG; AND 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 4520001641323 does not contain precious metals.
This NSN is associated to Schedule B 8511100000: spark plugs for internal combustion engines. The Schedule B End Use is listed as engines and engine parts (carburetors, pistons, rings, and valves.
This information was last updated on May 01, 2025.