National Stock Number
4940-01-293-1491
National Stock Number (NSN) 4940-01-293-1491, or NIIN 012931491, (tool and equipment kit,optical instrument) was assigned January 27, 1989 in the Federal Logistics Information System (FLIS). NIIN 012931491 was cancelled on December 15, 2017, 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 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, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 01, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 37027. [A GROUP OF ITEMS SPECIFICALLY DESIGNED TO PERFORM MAINTENANCE ON AN OPTICAL INSTRUMENT.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4940012931491 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.