National Stock Number
2990-01-416-7382
National Stock Number (NSN) 2990-01-416-7382, or NIIN 014167382, (cap assembly,protective,muffler-exhaust pipe) was assigned July 25, 1995 in the Federal Logistics Information System (FLIS). NIIN 014167382 was cancelled on May 2, 1999, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2990012195699. 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.
This NSN is assigned to Item Name Code (INC) 61446. [AN ITEM DESIGNED TO FIT OVER THE OPENING OF AN ENGINE EXHAUST PIPE OR MUFFLER TO PREVENT THE ENTRANCE OF RAIN OR FOREIGN MATTER INTO THE MANIFOLD SECTION OF A RECIPROCATING ENGINE WHILE NOT IN USE. IT IS AUTOMATICALLY OPENED WHEN THE ENGINE IS STARTED BY PRESSURE EXERTED FROM THE EXHAUST SYSTEM. IT IS EQUIPPED WITH A HINGING ACTION AND MAY OR MAY NOT HAVE A COUNTER WEIGHT. EXCLUDES CAP, PROTECTIVE, DUST AND MOISTURE SEAL.]. 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 2990014167382 does not contain precious metals.
This information was last updated on Aug 01, 2025.