National Stock Number (NSN) 4320-01-252-4261, or NIIN 012524261, (valve head,hydraulic motor-pump) was assigned April 2, 1987 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 not been procured by the US Government in over a year. There have been 25 contracts issued for this part number, with 25 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: SPE7L324P6498, SPE7L324P6498, SPE7M121V025A, SPE7M121V025A, SPE7M820V2343. The total value of the awarded contracts has been US$ 5,339,369.84.
This NSN is somewhat common among different platforms, belonging to 3 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$ 357,101. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, 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) 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 4320012524261 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.