National Stock Number
4820-01-392-8857
National Stock Number (NSN) 4820-01-392-8857, or NIIN 013928857, (valve,shuttle) was assigned July 11, 1994 in the Federal Logistics Information System (FLIS). NIIN 013928857 was cancelled on August 2, 2003, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820004370022. 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, 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820013928857 does not contain precious metals.
This information was last updated on May 01, 2025.