National Stock Number
1240-00-394-3149
National Stock Number (NSN) 1240-00-394-3149, or NIIN 003943149, (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 2 manufacturer part numbers 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 01, 2018. There have been 13 contracts issued for this part number, with 13 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M119V0087, SPE7M119V0087, SPE7M118V083C, SPE7M118V083C, SPE7M118V2211. The total value of the awarded contracts has been US$ 471,380.00.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 01, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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 1240003943149 does not contain precious metals.
This information was last updated on Jul 01, 2025.