National Stock Number
4820-00-980-2377
National Stock Number (NSN) 4820-00-980-2377, or NIIN 009802377, (diaphragm,valve,flat) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2530008652164.
There are 13 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 13 suppliers. Today, 9 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 6 suppliers 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 somewhat common among different platforms, belonging to 9 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 01, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
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 4820009802377 contains an unknown precious metal.
This NSN is associated to Schedule B 8481909090: parts of taps, cocks, valves and similar appliances, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Jul 01, 2025.