National Stock Number
4820-01-146-4228
National Stock Number (NSN) 4820-01-146-4228, or NIIN 011464228, (diaphragm,valve,flat) was assigned January 29, 1983 in the Federal Logistics Information System (FLIS). NIIN 011464228 was cancelled on May 2, 2010, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820000361394. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 4820011464228 does not contain precious metals.
This information was last updated on May 01, 2025.