National Stock Number
2990-00-733-5445
National Stock Number (NSN) 2990-00-733-5445, or NIIN 007335445, (muffler,exhaust) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 007335445 was cancelled on October 23, 2002, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 2990008484500.
There are 4 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 10849. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990007335445 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.