National Stock Number
2930-00-556-5948
National Stock Number (NSN) 2930-00-556-5948, or NIIN 005565948, (pump,cooling system,engine) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2930003323685.
There are 10 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 8 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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) 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 2930005565948 contains an unknown precious metal.
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.