National Stock Number (NSN) 2815-00-478-8207, or NIIN 004788207, (oil pump assembly,engine) was assigned February 2, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 4320012293072, 2805008722002.
There are 7 manufacturer part numbers associated with this NSN. 4 of those 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jul 26, 2011. There have been 4 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPM7L511M2554, SPM7L511M2554, SPM7L510V1283, SPM75006D5K34, SPM7L508V0850. The total value of the awarded contracts has been US$ 128,324.78.
This NSN is fairly common among different weapons systems, belonging to 19 different platforms.
There has been a small amount of 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 May 10, 2011, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 36330. [A DEVICE DESIGNED TO MAINTAIN OIL PRESSURE WITHIN THE MOVING PARTS OF AN INTERNAL COMBUSTION ENGINE. MAY CONTAIN PARTS SUCH AS SHAFT, GEARS, PIN, BUSHING, SCREEN, ADJUSTING SCREW AND THE LIKE.]. 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 2815004788207 contains an unknown precious metal.
This NSN is associated to Schedule B 8409998000: parts for compression-ignition internal combustion piston engines (diesel), nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333618: other engine equipment manufacturing.
This information was last updated on Aug 01, 2025.