National Stock Number
6680-00-018-0227
National Stock Number (NSN) 6680-00-018-0227, or NIIN 000180227, (gear box subassembly) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 6680000710899, 6680000715408, 6680000710895, 6680000710897, 6680000715412.
There are 4 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 very common among different weapons systems, belonging to 31 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, 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) 77777. 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 6680000180227 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.