National Stock Number (NSN) 2990-01-508-8531, or NIIN 015088531, (sensor,crankshaft position,emiss) was assigned June 4, 2003 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 2 suppliers. Today, 2 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 a year. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7L522V3464, SPE7L515V2322, SPE7L515V2322, SPE7L514V2847, SPM7LX13V0120. The total value of the awarded contracts has been US$ 2,434.46.
This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.
There has been a small amount of 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 Oct 24, 2013, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not 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) 39919. [A PERMANENT MAGNET WITH A COIL. IT PRODUCES ALTERNATING CURRENT PULSATION WHEN THE MAGNET FIELD OR SENSOR IS DISRUPTED BY A GEAR TOOTH OR NOTCH. IT SENSES PULSE RING LOBES. THE RESULTANT SIGNAL ENABLES THE ELECTRONIC CONTROL ASSEMBLY TO DETERMINE WHEN THE IGNITION MODULE SHOULD BE TRIGGERED TO PRODUCE A SPARK. ALSO, PROVIDES REVOLUTIONS PER MINUTE INFORMATION WHICH IS USED TO CALCULATE SPARK ADVANCE AND EXHAUST GAS RECIRCULATION FLOW, AND AIR/FUEL RATIO, (REPLACES DISTRIBUTOR CENTRIFUGAL ADVANCE WEIGHTS AND TIMING PICKUP). ONE PULSE IS PRODUCED FOR EACH CYLINDER EVERY OTHER ENGINE ROTATION (ONE FOR EACH SPARK PLUG FIRING).]. 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 2990015088531 does not contain precious metals.
This NSN is associated to Schedule B 8409918000: parts for spark-ignition internal combustion piston engines, 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 Aug 01, 2025.