National Stock Number
4820-00-449-4006
National Stock Number (NSN) 4820-00-449-4006, or NIIN 004494006, (diaphragm,valve,flat) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 004494006 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 4310005211131.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 60396. [AN ITEM IN THE FORM OF ONE OR MORE THIN FLEXIBLE SHEETS NORMALLY DESIGNED TO FORM A TIGHT SEAL BETWEEN CHAMBERS OF A VALVE, AND TO TRANSMIT MOTION TO A VALVE DISK EITHER DIRECTLY OR THROUGH A MECHANICAL LINKAGE. THE SURFACE OF THE ITEM(S) MAY NOT 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 A CENTER HOLE. EXCLUDES DIAPHRAGM, VALVE, SPECIAL SHAPED AND GASKET.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820004494006 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.