National Stock Number
1440-01-685-0855
National Stock Number (NSN) 1440-01-685-0855, or NIIN 016850855, (cooler unit,infrared seeker sens) was assigned November 29, 2019 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, 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) 33187. [A DEVICE CONSISTING OF A PNEUMATIC ACCUMULATOR, MANIFOLD, PRESSURE REGULATOR(S), PRESSURE SWITCH(S), CHECK VALVE(S), SOLENOID VALVE(S), TUBING, AND THE LIKE, SPECIFICALLY DESIGNED TO PROVIDE HIGH PRESSURE GAS FOR COOLING SENSORS IN INFRARED SEEKERS OF GUIDED MISSILES PRIOR TO LAUNCH.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 1440016850855 does not contain precious metals.
This NSN is associated to Schedule B 9306900060: parts for guided missiles. The Schedule B End Use is listed as tanks, artillery, missiles, rockets, guns and ammunition. NAICS classification category 332992: small arms ammunition manufacturing.
This information was last updated on Jul 01, 2025.