National Stock Number
4931-01-169-2182
National Stock Number (NSN) 4931-01-169-2182, or NIIN 011692182, (alignment set,fire control equip) was assigned January 4, 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 3 manufacturer part numbers associated with this NSN. 2 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.
There has been very little 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 Sep 02, 2000, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 4931011692182 does not contain precious metals.
This information was last updated on Aug 01, 2025.