National Stock Number
4320-01-031-9613
National Stock Number (NSN) 4320-01-031-9613, or NIIN 010319613, (yoke,hydraulic motor-pump) was assigned December 4, 1976 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 16 contracts issued for this part number, with 17 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7M025F0054, SPE7M024F0114, SPE7MX21F1878, SPE4A219F0603, SPE4A219F0448. The total value of the awarded contracts has been US$ 111,283.72.
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 Jun 22, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61790. [AN ITEM WHICH ADJUSTS THE ANGLE OF A ROTATING CYLINDER IN RELATION TO THE DRIVE SHAFT AXIS, OR ADJUSTS THE ANGLE OF A PISTON DRIVING CAM IN A VARIABLE DELIVERY AXIAL PISTONS PUMP OR A VARIABLE DISPLACEMENT HYDRAULIC MOTOR, THUS INCREASING OR DECREASING PISTON STROKE WITH A CORRESPONDING CHANGE IN RATE OF FLUID FLOW.]. 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 4320010319613 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 May 01, 2025.