National Stock Number
4820-01-418-6381
National Stock Number (NSN) 4820-01-418-6381, or NIIN 014186381, (valve,shuttle) was assigned August 31, 1995 in the Federal Logistics Information System (FLIS). NIIN 014186381 was cancelled on December 2, 2004, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820015117563. 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, 2 suppliers are listed as Active suppliers 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 assigned to Item Name Code (INC) 20572. [A VALVE HAVING ONE OUTLET AND TWO INLETS THAT ARE USUALLY OPPOSITE EACH OTHER. IT HAS A FLUID PRESSURE OPERATED PISTONLIKE ITEM, CALLED A SHUTTLE, THAT CONTROLS EITHER INLET. IT IS COMMONLY USED TO PROVIDE AN EMERGENCY PASSAGE FOR FLUID IN AN AIRCRAFT HYDRAULIC OR PNEUMATIC SYSTEM IN CASE OF LOSS OF PRESSURE IN THE NORMAL SERVICE LINES.]. 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 4820014186381 does not contain precious metals.
This information was last updated on Aug 01, 2025.