National Stock Number
6650-01-094-0581
National Stock Number (NSN) 6650-01-094-0581, or NIIN 010940581, (collimator,infrared) was assigned April 30, 1980 in the Federal Logistics Information System (FLIS). NIIN 010940581 was cancelled on April 25, 2002, 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 no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 19570. [AN ITEM, WHICH INCLUDES A LIGHT OR HEAT SOURCE AND AN OPTICAL SYSTEM, DESIGNED TO ASSIST IN THE ALIGNMENT OF THE OPTICAL SYSTEM OF INFRARED EQUIPMENT.]. This item does not have a critical feature 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 6650010940581 does not contain precious metals.
This information was last updated on Aug 01, 2025.