National Stock Number
4820-12-325-9239
National Stock Number (NSN) 4820-12-325-9239, or NIIN 123259239, (diaphragm,actuator valve,special shaped) has an unknown assigned date. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 23 contracts issued for this part number, with 23 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 9 different suppliers. The last contract numbers awarded were: SPE7MC25P1950, SPE7MC25P0856, SPE7MC25V0098, SPE7MC24P1723, SPE7MC24V3496. The total value of the awarded contracts has been US$ 40,407.90.
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) 40088. [AN ITEM CONSTRUCTED OF ONE OR MORE LAYERS OF THIN FLEXIBLE MATERIAL, EITHER LAMINATED OR SEPARATED, DESIGNED TO FORM A TIGHT SEAL BETWEEN THE CHAMBERS OF A VALVE, AND TO TRANSMIT PRESSURE INDUCTED MOTION TO A VALVE DISK EITHER DIRECTLY OR THROUGH A MECHANICAL LINKAGE. THE SURFACE OF THE ITEM MUST BE FORMED OR MOLDED TO HAVE A BEADED OR ROLLED EDGE, RIBS OR ANY OTHER RAISED SURFACES. THE ITEM MAY CONTAIN BOLT HOLES AND/OR CENTER HOLES. EXCLUDES DIAPHRA GM, VALVE, FLAT AND GASKET.].
This information was last updated on Aug 08, 2025.