National Stock Number
2815-00-074-3523
National Stock Number (NSN) 2815-00-074-3523, or NIIN 000743523, (chamber,precombustion) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 2815002696828, 2815008693370.
There are 6 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier 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 Oct 04, 2019, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 33265. [AN ITEM SPECIFICALLY DESIGNED TO BE USED AS AN AUXILIARY CHAMBER IN WHICH COMBUSTIBLE GASES ARE IGNITED AND COMBUSTION STARTED AHEAD OF THE MAIN COMBUSTION CHAMBER OF A DIESEL ENGINE. IT MAY HAVE PROVISIONS FOR A GLOW PLUG OR A WICK TO IGNITE THE FUEL MIXTURE DURING COLD WEATHER STARTING.]. 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 2815000743523 contains an unknown precious metal.
This NSN is associated to Schedule B 8409998000: parts for compression-ignition internal combustion piston engines (diesel), nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333618: other engine equipment manufacturing.
This information was last updated on Jul 01, 2025.