National Stock Number
4320-01-181-1811
National Stock Number (NSN) 4320-01-181-1811, or NIIN 011811811, (valve plate,hydraulic motor-pump) was assigned June 7, 1984 in the Federal Logistics Information System (FLIS). NIIN 011811811 was cancelled on January 2, 2012, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 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, 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 not been procured by the US Government in over 5 years, with the most recent procurement date of Sep 19, 2011. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7M011M8463, SPM7M011M8463. The total value of the awarded contracts has been US$ 200.00.
This NSN is unique to one weapons system.
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) 61766. [A RIGID ITEM OF VARIOUS SHAPES, WITH A CENTRALLY LOCATED APERTURE DESIGNED WITH INTERNAL PORTS. IT MAY HAVE PROVISIONS FOR MOUNTING. IT MUST HAVE A MACHINED FLAT SURFACE WITH INTERNAL PARTS OF A PUMP OR MOTOR. FOR ITEMS WITH EXTERNAL PORTS, SEE 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 4320011811811 does not contain precious metals.
This information was last updated on Jun 01, 2025.