National Stock Number
2990-01-527-1083
National Stock Number (NSN) 2990-01-527-1083, or NIIN 015271083, (damper,exhaust pipe,diesel engin) was assigned January 20, 2005 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Nov 24, 2015. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L016M0525, SPE7L016M0366. The total value of the awarded contracts has been US$ 5,440.00.
This NSN is unique to one weapons system.
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 23, 2015, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (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) 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 2990015271083 does not contain precious metals.
This information was last updated on Aug 01, 2025.