National Stock Number
4240-99-758-4293
National Stock Number (NSN) 4240-99-758-4293, or NIIN 997584293, (diaphragm,exhalatio) has an unknown assigned date. NIIN 997584293 was cancelled on December 2, 2003, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4220013896421. This NSN does not replace any other NSNs.
There are 3 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 3 suppliers. 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.
There has been very little 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) 77777.
This information was last updated on Aug 18, 2025.