National Stock Number
4820-20-003-2686
National Stock Number (NSN) 4820-20-003-2686, or NIIN 200032686, (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 not been procured by the US Government in over 5 years, with the most recent procurement date of Feb 28, 2014. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC14M3979, SPE7MC14M0842. The total value of the awarded contracts has been US$ 23,520.00.
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) 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 06, 2025.