National Stock Number
2990-01-697-3731
National Stock Number (NSN) 2990-01-697-3731, or NIIN 016973731, (sensor,crankshaft position,emiss) was assigned September 16, 2021 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 one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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 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 but does have other critical feature(s) 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 2990016973731 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 May 01, 2025.