National Stock Number
4520-00-493-6688
National Stock Number (NSN) 4520-00-493-6688, or NIIN 004936688, (heater,water,electric) has an unknown assigned date. NIIN 004936688 was cancelled on September 21, 1999, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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 assigned to Item Name Code (INC) 07180. [A UNIT SPECIFICALLY DESIGNED FOR HEATING WATER BY A DIRECT FIRED METHOD, UTILIZING ELECTRIC HEATING ELEMENT(S).]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520004936688 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.