National Stock Number
2990-00-108-4947
National Stock Number (NSN) 2990-00-108-4947, or NIIN 001084947, (housing,oil pump assembly,nonair) was assigned October 4, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2815003643098.
There are 3 manufacturer part numbers associated with this NSN. 2 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, 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 5 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 30, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 51270. [AN INCLOSURE DESIGNED TO SUPPORT AND PROTECT THE INTERNAL COMPONENTS OF AN OIL PUMP ASSEMBLY, ENGINE USED SPECIFICALLY ON NONAIRCRAFT TYPE ENGINES.]. 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 2990001084947 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.