National Stock Number
2990-01-554-6291
National Stock Number (NSN) 2990-01-554-6291, or NIIN 015546291, (housing,oil pump assembly,nonair) was assigned August 15, 2007 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 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 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 2990015546291 does not contain precious metals.
This information was last updated on Aug 01, 2025.