National Stock Number
1240-01-181-2293
National Stock Number (NSN) 1240-01-181-2293, or NIIN 011812293, (periscope subassembly) was assigned June 7, 1984 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. One of those 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) 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 1240011812293 does not contain precious metals.
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.