National Stock Number
4931-00-574-1817
National Stock Number (NSN) 4931-00-574-1817, or NIIN 005741817, (alignment set,fire control equip) was assigned December 8, 1974 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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) 48173. [A COLLECTION OF ITEMS NOT ALL HAVING THE SAME NAME WHICH ALIGNS A CUPOLA MOUNTED WEAPON SUCH AS A MACHINE GUN WITH AN OPTICAL FIRE CONTROL DEVICE SUCH AS A PERISCOPE. SOME ITEMS ARE MOUNTED TEMPORARILY ON THE WEAPON WHILE OTHER ITEMS ARE MOUNTED ON THE FIRE CONTROL DEVICE. THE EQUIPMENT MAY BE PROVIDED WITH A CHEST FOR SHIPPING AND STORAGE.]. 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 4931005741817 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.