National Stock Number
2920-00-529-7302
National Stock Number (NSN) 2920-00-529-7302, or NIIN 005297302, (suppressor,ignition interference) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 9515001848885.
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 8 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 17170. [AN INSULATED CYLINDRICAL BODY, EITHER STRAIGHT OR ANGULAR, CONTAINING A FIXED RESISTANCE ELEMENT, AND USUALLY WITH QUICK-DISCONNECT TYPE TERMINALS, SPECIFICALLY CONSTRUCTED SO THAT WHEN CONNECTED IN A HIGH TENSION ELECTRICAL IGNITION SYSTEM IT WILL REDUCE INTERFERENCE RESULTING FROM ARCING OF SPARK PLUGS, AND SIMILAR DEVICES. EXCLUDES:RESISTOR (AS MODIFIED) AND SUPPRESSOR, PARASITIC. SEE ALSO FILTER, RADIO FREQUENCY INTERFERENCE.]. 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 2920005297302 contains an unknown precious metal.
This NSN is associated to Schedule B 8511908000: internal combustion engine parts, nesoi. The Schedule B End Use is listed as engines and engine parts (carburetors, pistons, rings, and valves.
This information was last updated on Jul 01, 2025.