National Stock Number
4820-01-193-3635
National Stock Number (NSN) 4820-01-193-3635, or NIIN 011933635, (diaphragm,valve,special shaped) was assigned November 1, 1984 in the Federal Logistics Information System (FLIS). NIIN 011933635 was cancelled on July 28, 2005, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 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 one supplier. Today, one supplier is 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) 60397. [INC 60397 CANCELLED/REPLACED BY ,INC 40088, FIIG T371-G, APP-KEY GC ,ON 070706 ~(ALL EXCEPT USA) FOR USA INC 60397 CANCELED REPLACED BY DIAPHRAGM ACTUATOR, VALVE, SPECIAL SHAPED: INC 40088, FIIG T371, APPL KEY GC. AN ITEM 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 A CENTER HOLE. EXCLUDES DIAPHRAGM, VALVE, FLAT AND GASKET.]. This item has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011933635 does not contain precious metals.
This information was last updated on Aug 01, 2025.