National Stock Number
4530-01-273-4921
National Stock Number (NSN) 4530-01-273-4921, or NIIN 012734921, (nozzle,oil burner,pressure atomizing) was assigned February 26, 1988 in the Federal Logistics Information System (FLIS). NIIN 012734921 was cancelled on August 24, 2011, 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) 13774. [AN ESSENTIALLY TUBULAR FITTING WHICH FORMS THE COMBUSTION OUTLET END OF THE FUEL FEED LINE IN A PRESSURE OIL BURNER. IT HAS A SINGLE, THREADED OIL INLET CONNECTION AT ONE END AND A NONCONNECTED OUTLET AT THE OTHER THROUGH WHICH THE OIL IS RELEASED IN THE BOILER COMBUSTION CHAMBER IN THE FORM OF A SPRAY. OUTLET TIP MAY BE SEPARABLE. MAY INCLUDE STRAINER, FILTER, AND/OR ADAPTER.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4530012734921 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.