National Stock Number
4420-01-090-8425
National Stock Number (NSN) 4420-01-090-8425, or NIIN 010908425, (core assembly,fluid heater,indus) was assigned February 24, 1980 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
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: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4420010908425 does not contain precious metals.
This information was last updated on Aug 01, 2025.