National Stock Number
1240-01-312-4318
National Stock Number (NSN) 1240-01-312-4318, or NIIN 013124318, (periscope subassembly) was assigned December 15, 1989 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 27, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00607. [TWO OR MORE DIFFERENT TYPES OF ITEMS HAVING A COMMON MOUNTING OR MOUNTED ON EACH OTHER WHICH TOGETHER FORM A PORTION OF A PERISCOPE SUBASSEMBLY BUT WHICH IN ITSELF IS NOT A COMPLETE FUNCTIONING ITEM AND CANNOT BE ASSIGNED A MORE DEFINITE ITEM NAME.]. 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 1240013124318 contains an unknown precious metal.
This NSN is associated to Schedule B 9013104000: periscopes, telescopes designed to form parts of machines, nesoi. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 333314: optical instrument and lens manufacturing.
This information was last updated on Jul 01, 2025.