National Stock Number
1240-21-920-2783
National Stock Number (NSN) 1240-21-920-2783, or NIIN 219202783, (sightunit) 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, 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) 22603. [A COMPACT SIGHTING DEVICE COMPOSED OF AN ELBOW OR PANORAMIC TELESCOPE, MOUNT, AND/OR ADAPTER, USUALLY USED FOR POINTING A WEAPON FOR DIRECT OR INDIRECT FIRE. IT MAY BE ATTACHED TO, OR USED IN CONJUNCTION WITH, A WEAPON, ROCKET LAUNCHER, OR THE LIKE. EXCLUDES:SIGHT, INFINITY AND SPOTTING INSTRUMENT, OPTICAL.].
This information was last updated on Oct 06, 2025.