National Stock Number
4520-01-245-9201
National Stock Number (NSN) 4520-01-245-9201, or NIIN 012459201, (boiler,heating,low pressure) was assigned December 6, 1986 in the Federal Logistics Information System (FLIS). NIIN 012459201 was cancelled on June 2, 2000, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4530013024969. 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) 04876. [A UNIT CONSISTING OF A SERIES OF METAL SHELLS AND/OR TUBES ASSEMBLED IN INTEGRAL FORM, UTILIZING A SPACE ENCLOSED WITHIN ITSELF AS A COMBUSTION CHAMBER FOR BURNING FUEL. THE HEAT EMANATING FROM THE BURNING FUEL IS ABSORBED BY WATER CIRCULATING THROUGH THE SHELLS AND/OR TUBES, RAISING THE WATER TEMPERATURE TO A PREDETERMINED DEGREE OR CHANGING ITS PHYSICAL PROPERTIES TO STEAM. EXCLUDES:HIGH PRESSURE STEAM BOILERS OVER 15 POUNDS (6.804 KG) GAUGE WORKING STEAM PRESSURE.]. 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 4520012459201 does not contain precious metals.
This information was last updated on Aug 01, 2025.