National Stock Number
4530-00-274-6333
National Stock Number (NSN) 4530-00-274-6333, or NIIN 002746333, (nozzle,oil burner,pressure atomi) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4530010034456.
There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 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 May 01, 2014. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8ED14M0819. The total value of the awarded contracts has been US$ 51.25.
There has been very little 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: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 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.]. 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 4530002746333 contains an unknown precious metal.
This NSN is associated to Schedule B 8416900000: parts of furnace burners for liquid fuel, for pulverized solid fuel or for gas; mechanical stokers, mech grates, mech ash discharge & similar applianc. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333414: heating equipment (except warm air furnaces) manufacturing.
This information was last updated on Aug 01, 2025.