National Stock Number
4120-01-573-3554
National Stock Number (NSN) 4120-01-573-3554, or NIIN 015733554, (environmental control system) was assigned April 17, 2009 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 18, 2009, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 67859. [A PACKAGED SYSTEM OF TWO OR MORE AIR CONDITIONER THAT PROVIDES RELIABLE HEATING AND COOLING TO PROTECT ELECTRONIC EQUIPMENT. IT INCLUDES ELECTRONIC SENSING EQUIPMENT TO AUTOMATICALLY TRANSFER POWER FROM ONE AIR CONDITIONER TO THE OTHER AND CONTROL FUNCTIONING OF THE AIR CONDITIONER UNITS. IT MAY REQUIRE EXTERNAL POWER TO OPERATE.]. 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 4120015733554 does not contain precious metals.
This information was last updated on Aug 01, 2025.