National Stock Number
6350-21-913-3893
National Stock Number (NSN) 6350-21-913-3893, or NIIN 219133893, (sensor,opaque particle) has an unknown assigned date. 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, there are no suppliers 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, with the most recent procurement date of Jun 08, 2018. There have been 4 contracts issued for this part number, with 4 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: SPE4A618V222V, SPE4A415V1821, SPM4A512MA376, SPM4A512MA376, SPM4A510M1894. The total value of the awarded contracts has been US$ 17,660.28.
This NSN is unique to one weapons system.
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) 37790. [A DEVICE DESIGNED TO DETECT THE PRESENCE OF PREDETERMINED AMOUNTS OF SMOKE, DUST, AND THE LIKE, WITHIN THE MEASURING AREA. THE PRESENCE OF ANY OF THESE SUBSTANCES CAUSES A CHANGE IN THE OUTPUT SIGNAL OF THE DEVICE, WHICH RELAYS A WARNING MESSAGE BACK TO A CENTRAL PANEL. THE DEVICE ITSELF DOES NOT PROVIDE ANY AUDIBLE OR VISIBLE OUTPUT, OR ANALYZE CHEMICAL CONTENT. EXCLUDES:ALARM, SMOKE, AUTOMATIC.].
This information was last updated on Aug 18, 2025.