National Stock Number
4420-01-421-9378
National Stock Number (NSN) 4420-01-421-9378, or NIIN 014219378, (core assembly,fluid heater,indus) was assigned November 17, 1995 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) 11565. [AN ASSEMBLED UNIT WHICH MAY CONSIST OF TUBES, TUBE SHEETS, BAFFLES AND FINS, WHICH COMPRISE THE BASIC HEAT TRANSFER ELEMENT OF A HEATER, FLUID, INDUSTRIAL. EXCLUDES:HOT WATER CORES.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4420014219378 does not contain precious metals.
This information was last updated on Aug 01, 2025.