National Stock Number
4820-00-529-3270
National Stock Number (NSN) 4820-00-529-3270, or NIIN 005293270, (valve,shuttle) has an unknown assigned date. NIIN 005293270 was cancelled on December 2, 1990, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820011999504. This NSN replaces 11 stock numbers. Five of the National Stock Numbers that it replaces are: 1650000327549, 1650000949203, 1650003420397, 1650005551467, 1650005163597.
There are no manufacturer part numbers associated to this NSN.
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 4820005293270 does not contain precious metals.
This information was last updated on Aug 01, 2025.