National Stock Number
2990-01-633-7175
National Stock Number (NSN) 2990-01-633-7175, or NIIN 016337175, (housing,oil pump assembly,engine) was assigned December 2, 2014 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. None of the associated 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.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 03, 2014, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 36941. [A HOUSING WHICH SUPPORTS, ALIGNS, AND POSITIONS INTERNAL PARTS OF A OIL PUMP ASSEMBLY, ENGINE. IT CREATES A BOUNDARY FOR CLOSE CLEARANCE OF GEARS, VANES, OR PISTONS TO PRODUCE PRESSURE OR FLOW OF FLUIDS CONFINED TO THE PARAMETERS OF THE HOUSING.]. 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 2990016337175 does not contain precious metals.
This NSN is associated to Schedule B 8413919010: parts for fuel, lubricating or cooling medium pumps for internal combustion piston engines, except fuel-injection pumps. The Schedule B End Use is listed as engines and engine parts (carburetors, pistons, rings, and valves.
This information was last updated on Aug 01, 2025.