National Stock Number
4320-00-203-5429
National Stock Number (NSN) 4320-00-203-5429, or NIIN 002035429, (pump,hydraulic ram,hand driven) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 5120008062599, 4320003271759, 4320003576776.
There are 8 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, 3 suppliers are 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) 17989. [A POSITIVE DISPLACEMENT PUMP DESIGNED TO UTILIZE THE RECIPROCATING MOTION OF A SINGLE PISTON AS A MEANS FOR PROVIDING HYDRAULIC PRESSURE. A MANUAL CONTROL MAY BE PROVIDED FOR VARYING THE PRESSURE DELIVERED. EXCLUDES:JACK HYDRAULIC, HAND.]. 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 4320002035429 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.