National Stock Number
2990-01-596-6572
National Stock Number (NSN) 2990-01-596-6572, or NIIN 015966572, (flange,exhaust pipe) was assigned May 20, 2011 in the Federal Logistics Information System (FLIS). NIIN 015966572 was cancelled on October 2, 2014, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 20, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 32807. [AN ITEM WITH A THREADED OR UNTHREADED HOLE SPECIFICALLY DESIGNED FOR USE WITH AN EXHAUST PIPE, EXHAUST PIPE CONNECTOR, COMPANION FLANGE OR THE LIKE IN AN ENGINE OR HEATER EXHAUST SYSTEM. THE FACE OF THE FLANGE IS NORMALLY DRILLED FOR CONNECTING BOLTS AND/OR STUDS.]. 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 2990015966572 does not contain precious metals.
This information was last updated on Jun 01, 2025.