National Stock Number
2990-01-568-4708
National Stock Number (NSN) 2990-01-568-4708, or NIIN 015684708, (damper,exhaust pipe,diesel engin) was assigned October 30, 2008 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. One of those 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, 2 suppliers 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) 37121. [A MECHANICAL DEVICE CONSISTING OF A VALVE OR A THROTTLE PLATE INSTALLED IN THE EXHHAUST MANIFOLD OF AN ENGINE AND DESIGNED TO BOOST THE ENGINE BRAKING ACTION BY ADJUSTMENT OF THE EXHAUST PIPE CROSS-S ECTION. MOUNTING ELEMENTS MAY BE INCLUDED.]. 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 2990015684708 does not contain precious metals.
This information was last updated on Aug 01, 2025.