National Stock Number
4820-20-002-8367
National Stock Number (NSN) 4820-20-002-8367, or NIIN 200028367, (ball,valve,ported) 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.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
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) 32559. [A SPHERICAL SHAPED DEVICE WITH TWO OR MORE PORTS USED TO PREVENT OR REGULATE THE FLOW OF FLUIDS IN A VALVE, NOZZLE, OR THE LIKE. IT MAY INCLUDE AN INTEGRAL VALVE STEM. FOR VALVE BALLS THAT DO NOT INCLUDE PORTS SEE BALL, CHECK. EXCLUDES PLUG, ROTARY, VALVE.].
This information was last updated on Feb 04, 2026.