National Stock Number
4320-00-505-9878
National Stock Number (NSN) 4320-00-505-9878, or NIIN 005059878, (valve head,hydraulic motor-pump) was assigned January 1, 1963 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 5 years.
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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4320005059878 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 Aug 01, 2025.