National Stock Number
4820-99-723-9829
National Stock Number (NSN) 4820-99-723-9829, or NIIN 997239829, (valve,shuttle) has an unknown assigned date. This NSN does not replace any other NSNs.
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, with the most recent procurement date of Sep 13, 2017. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M017VC836. The total value of the awarded contracts has been US$ 42.70.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
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 information was last updated on Nov 05, 2025.