National Stock Number
4820-12-331-4486
National Stock Number (NSN) 4820-12-331-4486, or NIIN 123314486, (regulating element,flow,valve) 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 09, 2019. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7MC19V059H, SPE7M914VB422, SPM7M511V4873, SPM7M011V3947, SPM7M211V0607. The total value of the awarded contracts has been US$ 4,840.03.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of 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) 41720. [A CYLINDRICAL ITEM DESIGNED FOR STATIONARY MOUNTING IN A VALVE TO REGULATE AND QUIET THE FLOW OF LIQUIDS OR GASES. THE FLOW IS REGULATED BY A SERIES OF PASSAGES SUCH AS DRILLED HOLES, SLOTS, OR THE LIKE. IT IS NORMALLY USED ON A SUBMARINE FOR A QUIET OPERATION.].
This information was last updated on Oct 08, 2025.