National Stock Number
2805-01-355-3331
National Stock Number (NSN) 2805-01-355-3331, or NIIN 013553331, (oil pump assembly,engine) was assigned March 14, 1992 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2805012519819.
There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. 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 somewhat common among different platforms, belonging to 4 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 02, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
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 2805013553331 does not contain precious metals.
This NSN is associated to Schedule B 8413190000: pumps fitted or designed to be fitted with a measuring device, nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333913: measuring and dispensing pump manufacturing.
This information was last updated on Aug 01, 2025.