National Stock Number
5855-01-681-7921
National Stock Number (NSN) 5855-01-681-7921, or NIIN 016817921, (thermal imaging system) was assigned July 8, 2019 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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, 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.
This NSN is assigned to Item Name Code (INC) 45710. [A COMBINATION OF ITEMS, SUCH AS A RECEIVER, INFRARED, DISPLAY UNIT, AND THE LIKE WHICH CONVERTS AMBIENT SCENE THERMAL RADIATION INTO A FORM OF ENERGY THAT ACCURATELY DEPICTS THE SPATIAL DETAILS OF THE SCENE. IT IS LIMITED TO A STRAIGHT OR BACKWARD FIELD OF VIEW. IT CAN BE PROCESSED ELECTRONICALLY OR MAY BE DISPLAYED VISUALLY TO AN OPERATOR AS A STILL IMAGE. EXCLUDES:FORWARD LOOKING INFRARED IMAGING SYSTEM.]. 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 5855016817921 does not contain precious metals.
This NSN is associated to Schedule B 9014900000: parts & accessories for direction finding compasses and other navigational instruments and appliances. The Schedule B End Use is listed as marine engines, parts. NAICS classification category 334511: search, detection, navigation, guidance, aeronautical, and nautical system and instrument manufacturing.
This information was last updated on Aug 01, 2025.