National Stock Number
2990-01-522-0587
National Stock Number (NSN) 2990-01-522-0587, or NIIN 015220587, (sensor,exhaust gas,oxygen,emission control) was assigned July 16, 2004 in the Federal Logistics Information System (FLIS). NIIN 015220587 was cancelled on May 2, 2016, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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, with the most recent procurement date of Oct 02, 2009. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7L110V0091. The total value of the awarded contracts has been US$ 450.00.
This NSN is unique to one weapons system.
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 Apr 26, 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. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 39925. [A PLUG TYPE DEVICE WITH AN ELECTRONIC CONNECTOR OR CONTACT AT ONE END, A WRENCHING FACILITY IN THE MIDDLE. THE OPPOSITE END MAY BE THREADED WITH A PROBE DEVICE. IT IS DESIGNED TO CHANGE ITS OUTPUT VOLTAGE AS THE EXHAUST GAS TO OXYGEN CONTENT CHANGES WHEN COMPARED TO THE OXYGEN CONTENT OF THE ATMOSPHERE. A CONSTANTLY CHANGING VOLTAGE SIGNAL IS SENT TO THE ELECTRONIC CONTROL ASSEMBLY AND MICROPROCESSOR CONTROL UNIT FOR ANALYSIS AND ADJUSTMENT OF THE AIR/FUEL RATIO.]. 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 2990015220587 does not contain precious metals.
This information was last updated on Jul 01, 2025.