National Stock Number
2990-01-270-6684
National Stock Number (NSN) 2990-01-270-6684, or NIIN 012706684, (adjusting device,belt-chain tens) was assigned January 12, 1988 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, 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) 36614. [A DEVICE DESIGNED TO FACILITATE THE ADJUSTMENT OF DRIVE BELT OR ROLLER CHAIN TENSION ON BELT OR CHAIN DRIVEN ACCESSORIES THROUGH A HYDRAULIC OR SPRING ACTUATED MECHANISM. IT CONSISTS OF AN ADJUSTING ARM, IDLER PULLEY OR SPROCKET WHEEL AND OTHER STRUCTURAL PARTS.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990012706684 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.