National Stock Number (NSN) 4520-01-075-7523, or NIIN 010757523, (heating element,electrical,immer) was assigned April 26, 1979 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 4 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, with the most recent procurement date of Mar 15, 2018. There have been 11 contracts issued for this part number, with 14 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8E818V1405, SPE8E816V2151, SPE8E816V0123, SPE8E815V1632, SPE8E815V0815. The total value of the awarded contracts has been US$ 135,535.75.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2006, 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 Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 11327. [AN ELECTRICAL DEVICE IN THE FORM OF A RESISTOR CONSISTING OF A RESISTANCE WIRE, AN INSULATING MATERIAL, AND A SHEATH. IT IS DESIGNED TO TRANSFORM ELECTRICAL CURRENT INTO HEAT WHILE IMMERSED IN A LIQUID TO BE HEATED OR IN CONTACT WITH MATERIALS TO BE MELTED. IT MAY INCLUDE AN AUTOMATIC CONTROL TO REGULATE THE AMOUNT OF HEAT GENERATED.]. 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 4520010757523 does not contain precious metals.
This NSN is associated to Schedule B 8516800000: electric heating resistors. The Schedule B End Use is listed as household appliances. NAICS classification category 335999: all other miscellaneous electrical equipment and component manufacturing.
This information was last updated on Jul 01, 2025.