National Stock Number
4820-01-263-3201
National Stock Number (NSN) 4820-01-263-3201, or NIIN 012633201, (slide,directional control linear valve) was assigned September 12, 1987 in the Federal Logistics Information System (FLIS). NIIN 012633201 was cancelled on July 2, 2019, 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. None of the associated 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, there are no suppliers that 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 02, 2020, 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) 61927. [AN ITEM WHICH MAY HAVE A CYLINDRICAL OR OTHER CROSS-SECTIONAL SHAPE, WITH RECESS AREAS ON THE PERIPHERY. IT IS DESIGNED TO CONTROL THE FLOW DIRECTION IN A LINEAR DIRECTIONAL CONTROL VALVE BY THE SELECTION OF VARIOUS INLET AND OUTLET PORTS IN A SLEEVE OR THE VALVE BODY. THE SLIDE RECIPROCATES THUS MATING RECESS AREAS WITH THE VARIOUS PORTS IN THE SLEEVE OR VALVE BODY. IT MAY HAVE AN OFF (NO FLOW) POSITION.]. 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 4820012633201 does not contain precious metals.
This information was last updated on Aug 01, 2025.