National Stock Number
4931-01-661-9371
National Stock Number (NSN) 4931-01-661-9371, or NIIN 016619371, (alignment device,optical gun bor) was assigned March 21, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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.
This NSN is assigned to Item Name Code (INC) 31740. [A DEVICE UTILIZING A CROSS-HAIR RETICLE FOR ALIGNMENT OF THE AXIS OF A GUN BORE WITH THE LINE OF SIGHT OF AN OPTICAL INSTRUMENT. IT MAY BE DESIGNED FOR USE UNDER ALL WEATHER CONDITIONS. EXCLUDES:BORESCOPE; AND COLLIMATOR (AS MODIFIED).]. 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 4931016619371 does not contain precious metals.
This information was last updated on Jul 01, 2025.