National Stock Number (NSN) 2920-00-492-9408, or NIIN 004929408, (vibrator,ignition coil) was assigned February 11, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 13 sources of supply.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jul 05, 2013. There have been 11 contracts issued for this part number, with 10 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: SPM7L313V2699, SPM7L313V2700, SPM7L512M2156, SPM7L512M2156, SPM7L512M1565. The total value of the awarded contracts has been US$ 856,461.05.
This NSN is somewhat common among different platforms, belonging to 9 different weapons systems.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 10 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 21138. [AN ITEM WHICH RAPIDLY INTERRUPTS THE CURRENT TO AN IGNITION COIL OR MAGNETO. IT MAY INCLUDE CAPACITOR(S), RELAY(S), AND/OR RESISTOR(S). IT DOES NOT INCLUDE IGNITION SYSTEM DISTRIBUTORS OR TIMERS. FOR ITEMS WHICH PERFORM SIMILAR FUNCTIONS, BUT ARE A PART OF IGNITION COILS, SEE ARMATURE, INDUCTION COIL.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 2920004929408 does not contain precious metals.
This NSN is associated to Schedule B 8511300080: ignition coils 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 Aug 01, 2025.