National Stock Number
1240-00-176-1921
National Stock Number (NSN) 1240-00-176-1921, or NIIN 001761921, (sight,bore,optical) was assigned December 1, 1969 in the Federal Logistics Information System (FLIS). NIIN 001761921 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 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) 22601. [A TELESCOPIC DEVICE WHICH UTILIZES A BORESIGHTING RETICLE, USED TO ALIGN THE AXIS OF A WEAPON BORE WITH A TARGET. IT IS SECURED TO THE EXTERIOR OR INTERIOR OF A WEAPON BARREL OR TUBE. IT INCLUDES A MOUNT, TELESCOPE WITH A STRAP AND CLAMP ASSEMBLY FOR EXTERIOR MOUNTING, OR AN EXPANSION SLEEVE ADAPTER FOR INTERNAL MOUNTING. EXCLUDES:SIGHT, BORE, BREECH; SIGHT, BORE, MUZZLE AND SIGHT, BORE, OPEN.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1240001761921 does not contain precious metals.
This information was last updated on Jul 01, 2025.