National Stock Number
4420-01-205-8528
National Stock Number (NSN) 4420-01-205-8528, or NIIN 012058528, (heater,fluid,industrial) was assigned April 12, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4420012306806.
There are 8 manufacturer part numbers associated with this NSN. 3 of those 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 somewhat common among different platforms, belonging to 5 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 04042. [AN APPARATUS DESIGNED TO RAISE THE TEMPERATURE OF A FLUID BY BRINGING IT INTO PROXIMITY WITH ANOTHER FLUID OF HIGHER TEMPERATURE SO THAT HEAT TRANSFER IS EFFECTED BY DIRECT CONTACT OR BY PASSING THOSE FLUIDS THROUGH PIPE(S), TUBE(S), OR COILS WHICH ARE SUBMERGED IN A TANK OF HOT WATER OR STEAM WHICH IS SUPPLIED FROM AN OUTSIDE SOURCE. THE FLUID IS NEVER STORED IN THIS TANK. EXCLUDES:AIR CONDITIONING, ELECTRIC FLUID HEATERS, AND REFRIGERATION EQUIPMENT.]. 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 4420012058528 does not contain precious metals.
This information was last updated on Jul 01, 2025.