National Stock Number
2920-00-502-1243
National Stock Number (NSN) 2920-00-502-1243, or NIIN 005021243, (lead,ignition,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. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 4 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 very common among different weapons systems, belonging to 32 different platforms.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 13, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 37042. [A SINGLE SOLID OR BRAIDED CONDUCTIVE WIRE DESIGNED FOR ENGINE IGNITION, WITH OR WITHOUT NOISE SUPPRESSION CORES. THE CONDUCTOR IS COMPOSED OF METALLIC MATERIALS OR SUCH NONMETALLIC MATERIALS AS GRAPHITE IMPREGNATED FIBERS AND PLASTICS. BOTH ENDS MUST BE PROCESSED OR TERMINATED, WITH OR WITHOUT BOOTS. THE LEAD MAY BE OF ANY SIZE OR SHAPE. INCLUDES ITEMS WITH METAL BRAIDED OUTER COVERS AND GROUNDING NUTS. EXCLUDES:LEAD, ELECTRICAL; LEAD, STORAGE BATTERY; AND ITEMS HAVING ATTACHED SWITCHES, LAMPHOLDERS, SUPPRESSORS, RESISTORS, AND THE LIKE.]. 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 2920005021243 contains an unknown precious metal.
This NSN is associated to Schedule B 8544300000: insulated ignition wiring sets & wiring sets for vehicles, aircraft or ships. The Schedule B End Use is listed as other parts and accessories of vehicles.
This information was last updated on Aug 01, 2025.