National Stock Number (NSN) 4320-01-598-9049, or NIIN 015989049, (pumping unit,hydraulic,power dri) was assigned August 31, 2011 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those 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, only one supplier is 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 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A525P6707, SPE4A525P6707, SPE7M119F08N8, SPE7M119F08N8, SPE7M119F457Q. The total value of the awarded contracts has been US$ 1,264,868.25.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 20, 2018, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 27495. [AN ITEM CONSISTING OF POWER DRIVEN HYDRAULIC PUMP(S) WITH INSTRUMENTS, CONTROLS AND THE LIKE ASSEMBLED ON A COMMON MOUNTING. IT MAY INCLUDE ENGINE(S) OR MOTOR(S) OR BE DESIGNED TO BE MOUNTED ON A VEHICLE WHICH PROVIDES THE POWER. IT MAY INCLUDE A HYDRAULIC FLUID RESERVOIR, PRESSURE FLUID FILTERS, ACCUMULATORS, BOOSTERS, HOSE AND HOSE REELS OR RACKS. IT IS USED IN THE OPERATION OF HYDRAULIC TOOLS OR EQUIPMENT AND/OR CHECKING OF HYDRAULIC SYSTEMS. SEE ALSO TEST STAND, HYDRAULIC SYSTEM COMPONENTS. EXCLUDES:FILLER, HYDRAULIC SYSTEM, GUIDED MISSILE.]. 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 4320015989049 does not contain precious metals.
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 Aug 01, 2025.