National Stock Number
4820-01-248-1601
National Stock Number (NSN) 4820-01-248-1601, or NIIN 012481601, (diaphragm,valve,flat) was assigned January 16, 1987 in the Federal Logistics Information System (FLIS). NIIN 012481601 was cancelled on July 2, 2012, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820013897752. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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, with the most recent procurement date of Apr 21, 2011. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPM7M511V3339, SPM7M011MV180, SPM7M510V4704. The total value of the awarded contracts has been US$ 4,934.96.
This NSN is unique to one weapons system.
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) 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 4820012481601 does not contain precious metals.
This information was last updated on Aug 01, 2025.