National Stock Number
2930-01-631-7858
National Stock Number (NSN) 2930-01-631-7858, or NIIN 016317858, (pump,cooling system,engine) was assigned September 25, 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 26, 2014, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 35988. [A POWER DRIVEN ITEM SPECIFICALLY DESIGNED TO CIRCULATE WATER MIXED WITH ANTIFREEZE AND THE LIKE THROUGH THE BLOCK AND RADIATOR FOR COOLING. MAY INCLUDE ITEMS SUCH AS PULLEY; COUPLING; GEAR AND THE LIKE. EXCLUDES PUMP (AS MODIFIED).]. 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 2930016317858 does not contain precious metals.
This NSN is associated to Schedule B 8413309000: fuel, lubricating or cooling medium pumps for internal combustion ptston 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 Jul 01, 2025.