National Stock Number
4520-01-233-9515
National Stock Number (NSN) 4520-01-233-9515, or NIIN 012339515, (boiler,heating,low pressure) was assigned June 5, 1986 in the Federal Logistics Information System (FLIS). NIIN 012339515 was cancelled on May 1, 2010, 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 is only one manufacturer part number associated with this NSN. None of the associated 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 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 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 4520012339515 does not contain precious metals.
This information was last updated on Jun 01, 2025.