National Stock Number
4320-01-566-0820
National Stock Number (NSN) 4320-01-566-0820, or NIIN 015660820, (valve head,hydraulic motor-pump) was assigned August 19, 2008 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. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 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 48 contracts issued for this part number, with 45 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: SPE7M125V3361, SPE7M124V1317, SPE7M124V1317, SPE7M123V9121, SPE7M123V9121. The total value of the awarded contracts has been US$ 1,497,439.30.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 230,056. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 10, 2013, 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) 61767. [A RIGID ITEM OF VARIOUS SHAPES. THE INTERNAL SURFACE IS MACHINED AND PORTED TO FORM PART OF THE VALVE. THE EXTERNAL SURFACE CONTAINS THE PORTS. IT HAS PROVISIONS FOR ATTACHMENT TO THE HOUSING OF A PUMP OR MOTOR. SEE ALSO VALVE PLATE, 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 4320015660820 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 Jun 01, 2025.