National Stock Number
2990-01-507-6022
National Stock Number (NSN) 2990-01-507-6022, or NIIN 015076022, (guard,muffler-exhaust pipe,nonaircraft) was assigned May 1, 2003 in the Federal Logistics Information System (FLIS). NIIN 015076022 was cancelled on August 29, 2018, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated 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, 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) 51297. [A PROTECTIVE COVERING, USUALLY PERFORATED AND/OR MESHED, SPECIFICALLY DESIGNED TO PROTECT A NONAIRCRAFT ENGINE MUFFLER AND/OR EXHAUST PIPE. IT PREVENTS PHYSICAL DAMAGE TO EXPOSED EXHAUST SYSTEM PARTS AND PREVENTS POSSIBLE INJURY TO PERSONNEL WHILE THE UNIT IS OPERATING AND IMMEDIATELY AFTER OPERATION.]. 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 2990015076022 does not contain precious metals.
This information was last updated on Aug 01, 2025.