National Stock Number
5855-01-446-7217
National Stock Number (NSN) 5855-01-446-7217, or NIIN 014467217, (cooler-dewar assembly,second generation,night vision equipment) was assigned July 15, 1997 in the Federal Logistics Information System (FLIS). NIIN 014467217 was cancelled on May 2, 2002, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5855014909693. 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) 51788. [A TEMPERATURE CONTROLLED, VACUUM ENVIRONMENT, USUALLY VERY LIMITED IN SIZE TO SEVERAL CUBIC INCHES, USED TO CONVERT INFRARED RADIATION INTO AN ELECTRICAL SIGNAL IN NIGHT VISION INSTRUMENTS OR EQUIPMENT. IT CONSISTS OF A VACUUM CHAMBER, FOCAL PLANE ARRAY, COMMAND AND CONTROL ELECTRONICS AND AN ELECTRICALLY CONTROLLED LINEAR COOLER.]. This item is specifically designed to be or selected as being nuclear hard (ie. it will continue to perform its designed function in an environment created by a nuclear explosion). This item does not have any other critical features. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5855014467217 does not contain precious metals.
This information was last updated on Jul 01, 2025.