National Stock Number
4420-00-373-1772
National Stock Number (NSN) 4420-00-373-1772, or NIIN 003731772, (core assembly,fluid cooler) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 May 02, 2006, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 36982. [AN ASSEMBLED UNIT WHICH MAY CONSIST OF TUBES, TUBE SHEETS, BAFFLES AND FINS WHICH COMPRISE THE BASIC HEAT TRANSFER ELEMENT OF A COOLER, FLUID, TRANSMISSION AND COOLER, FLUID, INDUSTRIAL. EXCLUDES:AUTOMOTIVE RADIATORS.]. 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 4420003731772 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.