National Stock Number
4820-12-364-4938
National Stock Number (NSN) 4820-12-364-4938, or NIIN 123644938, (valve,diaphragm,stop) 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 41 contracts issued for this part number, with 41 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 13 different suppliers. The last contract numbers awarded were: SPE7M124F3916, SPE7M124F3386, SPE7M124F2997, SPE5EK23V0001, SPE5EK23V0001. The total value of the awarded contracts has been US$ 906,591.38.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a moderate 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) 13619. [A VALVE DESIGNED SPECIFICALLY SO THE DIAPHRAGM SEALS THE FLOW STREAM FROM THE VALVE OPERATING MECHANISM. THE FLOW IS CONTROLLED BY THE LIFTING OF THE DIAPHRAGM FROM OR COMPRESSING IT AGAINST AN INTEGRAL SEAT. FOR PACKLESS DIAPHRAGM VALVES WHICH UTILIZE A DIAPHRAGM AS PACKING AND A DISK TO CONTROL THE FLOW, SEE VALVE, Y.].
This information was last updated on Aug 18, 2025.