National Stock Number
1240-00-394-3148
National Stock Number (NSN) 1240-00-394-3148, or NIIN 003943148, (mount,armored vehicle periscope) was assigned April 5, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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) 80988. [A DEVICE WHICH IS USUALLY ATTACHED TO A GUN TRUNNION OR TANK TURRET. IT IS USED TO LINK THE PERISCOPE,ARMORED VEHICLE WITH THE GUN BORE AT ALL ANGLES OF GUN ELEVATION AND IT PROVIDES AN OPERATING AND/OR RETRACTING POSITION FOR THE PERISCOPE. A HEADREST,OPTICAL INSTRUMENT IS FURNISHED WITH THE ITEM.]. 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 1240003943148 does not contain precious metals.
This information was last updated on Jul 01, 2025.