National Stock Number
4320-01-597-8645
National Stock Number (NSN) 4320-01-597-8645, or NIIN 015978645, (pump,hydraulic) was assigned June 20, 2011 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 21, 2011, 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 Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 50992. [A POSITIVE DISPLACEMENT DEVICE USED TO TRANSFER HYDRAULIC FLUIDS FROM ONE PLACE TO ANOTHER. IT IS DESIGNED TO BE DRIVEN MANUALLY OR BY A PRIME MOVER WHICH IS NOT AN INTEGRAL PART OF THE PUMP. DO NOT USE IF A MORE SPECIFIC NAME APPLIES.]. 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 4320015978645 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 Jul 01, 2025.