National Stock Number
4120-01-677-9242
National Stock Number (NSN) 4120-01-677-9242, or NIIN 016779242, (environmental control system) was assigned January 11, 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) 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 4120016779242 does not contain precious metals.
This information was last updated on Jul 01, 2025.