National Stock Number
2925-00-474-4990
National Stock Number (NSN) 2925-00-474-4990, or NIIN 004744990, (igniter,spark,gas turbine engine) was assigned January 1, 1963 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. 2 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 19767. [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 MIXTURE IN AN INTERNAL COMBUSTION ENGINE FOR THE PURPOSE OF INITIAL STARTING ONLY. IN ENGINES DESIGNED FOR THE SINGLE ELECTRODE TYPE, TWO PLUGS ARE REQUIRED WITHIN THE COMBUSTION CHAMBER IN PROPER PLACEMENT TO EFFECT THE AIR GAP. AN IGNITER PLUG DIFFERS FROM A SPARK PLUG BY ALWAYS HAVING COOLING FACILITIES IN THE FORM OF HOLES OR SLOTS IN THE PLUG CASING TO ALLOW ENTRY OF AIR CURRENTS AROUND THE ELECTRODE(S). 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 2925004744990 contains an unknown precious metal.
This NSN is associated to Schedule B 8411997050: parts of gas turbine aircraft engines, other than for use in civil aircraft. The Schedule B End Use is listed as engines and turbines for military aircraft. NAICS classification category 336412: aircraft engine and engine parts manufacturing.
This information was last updated on Sep 01, 2024.