National Stock Number
2990-01-289-0786
National Stock Number (NSN) 2990-01-289-0786, or NIIN 012890786, (catalytic protector switch,emission control) has an unknown assigned date. NIIN 012890786 was cancelled on September 27, 2000, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 36491. [A DEVICE DESIGNED TO RECEIVE IMPULSES FROM THE ELECTRONIC IGNITION CONTROL UNIT AND ENERGIZE THE THROTTLE POSITION SOLENOID WHEN THE ENGINE SPEED IS ABOVE TWO THOUSAND (2,000) REVOLUTIONS PER MINUTE (RPM). AT HIGH ENGINE SPEED, IT MAINTAINS COMPLETE THROTTLE CLOSING, THEREBY REDUCING CATALYST TEMPERATURE UNDER DECELERATION CONDITIONS.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990012890786 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.