National Stock Number
1240-99-797-0465
National Stock Number (NSN) 1240-99-797-0465, or NIIN 997970465, (lens,optical instrument) has an unknown assigned date. NIIN 997970465 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." 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, 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.
This NSN is assigned to Item Name Code (INC) 21884. [AN UNMOUNTED, TRANSPARENT, COLOR FREE LENS WHICH MAY BE TREATED WITH A LOW REFLECTION COATING TO INCREASE LIGHT TRANSMISSION. INCLUDES SINGLE AND COMPOUND ELEMENTS. FOR ITEMS HAVING TWO PLANE PARALLEL SURFACES, SEE WINDOW, OPTICAL INSTRUMENT. EXCLUDES:RETICLE, OPTICAL INSTRUMENT.].
This information was last updated on Oct 17, 2025.