National Stock Number
1240-01-717-1857
National Stock Number (NSN) 1240-01-717-1857, or NIIN 017171857, (sight,bore,optical) was assigned January 3, 2024 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) 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.]. 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 1240017171857 does not contain precious metals.
This NSN is associated to Schedule B 9803200000: military equipments not identified by kind. The Schedule B End Use is listed as military apparel and footwear.
This information was last updated on Aug 01, 2025.