National Stock Number
5855-01-293-1589
National Stock Number (NSN) 5855-01-293-1589, or NIIN 012931589, (cooler-dewar group) was assigned January 27, 1989 in the Federal Logistics Information System (FLIS). NIIN 012931589 was cancelled on May 1, 2010, 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 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, 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) 40948. [A GROUP OF ELECTRONIC ITEMS CONSISTING OF A CRYOGENIC COOLER TO REDUCE THE OPERATING TEMPERATURE OF THE DETECTOR-DEWAR TO A PROPER LEVEL FOR A SPECIFIC BAND OF THERMAL DETECTION. THIS ALLOWS THE DETECTOR-DEWAR TO FUNCTION WHEN PLACED IN A NIGHT VISION SYSTEM. THE GROUP MAY INCLUDE ACCESSORY ITEMS SUCH AS THERMAL CONDUCTOR, BELLOWS, AND ASSOCIATED FASTENING HARDWARE.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5855012931589 does not contain precious metals.
This information was last updated on Jul 01, 2025.