National Stock Number
5999-01-655-2504
National Stock Number (NSN) 5999-01-655-2504, or NIIN 016552504, (cooling unit,electronic equipment) was assigned May 23, 2016 in the Federal Logistics Information System (FLIS). NIIN 016552504 was cancelled on October 2, 2019, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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, there are no suppliers that are 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 unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 15, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 66977. [A UNIT DESIGNED TO GENERATE AND CIRCULATE COOL AIR FOR THE PURPOSE OF MAINTAINING ELECTRONIC EQUIPMENT AT A SPECIFIC OPERATING TEMPERATURE. IT INCLUDES A BLOWER, POWER CONDITIONER, AIR PLENUM, AND POWER HOUSING. IT CAN INCLUDE AN ELAPSED TIME INDICATOR TO INDICATE THE CUMULATIVE NUMBER OF OPERATING HOURS. THE UNIT PROVIDES STATUS AND CONTROL VIA THE POWER SUPPLY ASSEMBLY. EXCLUDES:COOLER, AIR, ELECTRONIC EQUIPMENT; COOLER, FLUID, ELECTRONIC EQUIPMENT; AND FAN (AS MODIFIED).]. 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 5999016552504 does not contain precious metals.
This information was last updated on Jun 01, 2024.