National Stock Number
4320-01-190-4973
National Stock Number (NSN) 4320-01-190-4973, or NIIN 011904973, (cover,hydraulic,pump-motor) was assigned September 27, 1984 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 2 suppliers. Today, 2 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M125P4476, SPE7M125P4476, SPE7MX25P0004. The total value of the awarded contracts has been US$ 119,280.70.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 35730. [AN ITEM SPECIFICALLY DESIGNED TO COVER AND/OR RETAIN INTERNAL WORKING PARTS IN A HYDRAULIC MOTOR OR PUMP BODY OR HOUSING. IT DOES NOT HAVE INLET OR OUTLET CONNECTIONS TO A SYSTEM FLUID LINE. WITH CONNECTORS, SEE CONNECTOR, FLUID, PUMP. EXCLUDES:HEAD, HYDRAULIC MOTOR-PUMP AND VALVE HEAD, HYDRAULIC MOTOR-PUMP.]. 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 4320011904973 contains an unknown precious metal.
This NSN is associated to Schedule B 8413919050: parts of hydraulic fluid power pumps. The Schedule B End Use is listed as industrial engines. NAICS classification category 333996: fluid power pump and motor manufacturing.
This information was last updated on Jul 01, 2025.